average mass of a baseball in kg

The weight of a baseball must be between 5 and 5 ounces (142 to 149 grams) and its circumference from 9 to 9 inches (22.9 to 23.5 centimeters). There are many methods you can use to measure body fat, but some are more reliable than others. This article explores how to measure body fat at home, Calculating body fat percentage isnt always completely accurate, and there are many methods to try. The Australian yarn ball caused some changes in the gameplay. The different balls by different players meant that each one of them pitched differently.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'bestbaseballreviews_com-large-leaderboard-2','ezslot_8',111,'0','0'])};__ez_fad_position('div-gpt-ad-bestbaseballreviews_com-large-leaderboard-2-0'); The different balls lead to the batters having a massive headache! In the game of baseball, we all know that the ball is the main object in the game. for t = 0.01 s, what average The percentages are estimates. But if you have high muscle mass, you can slow down muscle loss and protect your physical ability. (2013). 2003-2023 Chegg Inc. All rights reserved. Fans and club members get baseballs as gifts as well. Meanwhile, the weigh in ounces of a baseball is anywhere from 5 to 5.25 ounces. Some like me are happy with the design since we see so many home runs and grand slams. Now that we know the weight of a baseball, let us also discuss the anatomy of a baseball, which will also help to understand why it weighs as such. Whether you're a trail runner or a sprinter, the right pair of running shorts goes a long way in keeping you comfortable and protected. As expected, they are quite lighter because they are made for smaller players who have lesser energy and strength compared to adults. We've checked out all of the options to find the 12 best heart rate monitors you can buy in 2023. After the rubber casing comes to the yarn, the yarn encases the ball using a revolving machine. Baseballs used in MLB and the top minor leagues (AAA) are made to the same specifications, but labelled separately. Moon SS. Rubber baseballs originated from Japan, in the 1950s. An approximation of any rock's weight can be calculated using simple volumetric formulas. [3], In 1920, a couple of important changes were made to baseballs. 38 Hence, the magnitude of a 3d vector given, 2i + 3j + 4k 5. . This type of exercise strengthens your muscles by forcing them to work against resistance. On average, a cubic foot of rock weighs 165.2 pounds, but depending on the type of rock it may weigh between 143.6 and 186.0 pounds. A standard live ball era baseball weigh about three oz.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'bestbaseballreviews_com-mobile-leaderboard-2','ezslot_13',114,'0','0'])};__ez_fad_position('div-gpt-ad-bestbaseballreviews_com-mobile-leaderboard-2-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'bestbaseballreviews_com-mobile-leaderboard-2','ezslot_14',114,'0','1'])};__ez_fad_position('div-gpt-ad-bestbaseballreviews_com-mobile-leaderboard-2-0_1'); .mobile-leaderboard-2-multi-114{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:auto !important;margin-right:auto !important;margin-top:7px !important;max-width:100% !important;min-height:50px;padding:0;text-align:center !important;}. The core is then wrapped with yarn. Wool yarn (four-ply and three ply for the layers). Youll also need to eat more calories to feel full, which can become inconvenient and expensive. The mass of the spring is, role="math" localid="1668488385102" m = 0. It should also be noted that there are different types of baseball, but their weight is still within the same range. People called it the dead ball era because player-made balls were dead or too soft. Benefits and side effects of having higher-than-average muscle mass, Benefits and side effects of having lower-than-average muscle mass, berkeleywellness.com/healthy-eating/diet-weight-loss/article/body-fat-scales-step-right, ncbi.nlm.nih.gov/pmc/articles/PMC4523889/, mayoclinic.org/healthy-lifestyle/weight-loss/in-depth/metabolism/art-20046508, mayoclinic.org/healthy-lifestyle/fitness/in-depth/strength-training/art-20046670, health.harvard.edu/staying-healthy/preserve-your-muscle-mass, public.navy.mil/bupers-npc/support/21st_Century_Sailor/physical/Documents/Guide%204-%20Body%20Composition%20Assessment%20(BCA)%202016.pdf, eatright.org/fitness/training-and-recovery/building-muscle/strength-building-and-muscle-mass. The most accurate methods are expensive, and there isnt a lot of reliable data proving their accuracy. Have any questions? The impact between bat and ball is an extremely violent one, in which the bat imparts a huge force on the ball thereby causing it to change directions and gain speed. This was then used in the baseball-making process. Current baseballs are being made using a core of cork and rubber mixture. If the baseball was in contact with the concrete High school baseballs follow the same guidelines with official balls weighing the exact amount of 5 ounces (although this can increase to 5 ounces). The core of League baseballs was made of cork mixed with a small amount of rubber, hugged by a layer of black rubber. One of the first things that should be noted is that they are made of varying materials, and hence, this can cause the difference in their weight. After the layers came 71 yards of Australian wool yarn; it was blue-gray colored. Kg. Well, the weight and size of a baseball are not standardized. Fish eyes were also used as cores in some places. Two shells wrapping the core were made of a rubber-like substance called balata. What is the Most Expensive Sport in the World. The weight of the baseball comes from the tightly wound materials layers of yarn, and the rubber which contributes to the core of the ball. The latter is made of a combination of wool, polyester, and cotton. Unfortunately, the vast majority of rubber was required for ammunition and for arms to aid the war, so it was decreed that it rubber wouldnt be available for unessential items. Because baseballs are almost always replaced after each half-inning it is increasingly customary for players to give balls used to end half-innings to fans in the front rows, either by handing the ball to a fan (especially a child) in the front row or by gently tossing it into the stands, especially if the player holding it is a home team player close to the stands as for example is often the case for an outfielder catching a fly ball. DOI: Prado CM, et al. This will help you to ensure that you will be purchasing a baseball with a weight that is right for your league. The total proceeds from such sales represent a significant portion of the total purchase cost of baseballs since even balls used for relatively minor accomplishments can each fetch hundreds or thousands of dollars. Healthline Media does not provide medical advice, diagnosis, or treatment. Aside from knowing the diameter of a baseball, you should also be familiar with its circumference. Consequently, I have also wondered about one thing how much does a baseball weigh? .1700.206 kg (12-inch ball) "The completed 11 inch ball shall be between 10 to 11 inches in circumference and shall weigh between 5 and 6 ounces." Average force applied by the call on the glove = 780 N. Explanation: mass of baseball=0.140 kg. The modern baseball design has gone through many changes over the years. The first standard manufacturing of baseball was in 1934. To better understand your physical fitness, its recommended to use your body fat percentage instead. Which is the Best estimate for the mass of a baseball bat in kilograms? The concept of using steam for lifting is theref A standard shape 8-10 yard cement truck mass of 20,000 to 30,000 bash can hold approximately 40,000 gathering of cement.26 abr 2022 . This led to a lower run rate from 1901 to 1910. You will need to separate the yard by length and color. It eventually went back to normal. The modern baseball weight was decided by Major League Baseball at 5-5 ounces (roughly 142 and 149 g), with strict regulations around baseball sizes and the diameter of a baseball. What is a gram of a baseball? DOI: US Navy. - 1074563 They outlasted rubber core baseballs; and for the first few years they were used, balls were hit farther and faster than rubber core balls. . Abramowitz MK, et al. Best Baseball Bags For Catchers: Top 3 Choices, How To Get Sharpie Off A Baseball? But, other fans are asking for a change so that their favorite pitchers get some break.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'bestbaseballreviews_com-mobile-leaderboard-1','ezslot_11',121,'0','0'])};__ez_fad_position('div-gpt-ad-bestbaseballreviews_com-mobile-leaderboard-1-0'); Change of baseball blueprint is not in the near future, sadly pitcher fans. Muscle mass is difficult to measure. Cowhide goes through a tanning process to turn its color to white. Baseball was invented around the last quarter of the 1800s. McFarland Books, 2014. For anyone who has ever held a baseball, the question of how much does a baseball weigh? has surely crossed their mind, however, the baseball we know and recognize today hasnt always been this way. resistance. Balls used for pre-game warm-ups are often given to fans. force Fave did the concrete exert on The answer is 1 kilogram. That's insane! Weight-wise these rubber balls are in the middle between hard baseball(hard and heavy) and tennis balls(soft and light). You are using an out of date browser. Despite having different designs and innovations, the construction is almost the same across different manufacturers. The American League had "Official American League" and the American League's president's signature in blue ink, while National League baseballs had "Official National League" and the National League president's signature in black ink. Fun fact for amateurs and fanatics, a pitcher uses a baseball for six pitches. Question: A baseball of mass m = 0.44 kg is dropped from a height h1 = 2.8 m. It bounces from the concrete below and returns to a final height of h2 = 1.56 m. Neglect air resistance. If the velocity of a pitched ball has a magnitude of 45.0 m/s and the battered ball's velocity is 55.0 m/s in the opposite direction, find the magnitude of the change in momentum of the ball. Major League baseballs are exclusively manufactured by Rawlings, an American sports equipment company based in Town and Country. DOI: Srikanthan P, et al. Study with Quizlet and memorize flashcards containing terms like When the lever is pulled, 2 kg of carbon dioxide is ejected at a speed of 60 m/s. A baseball is thrown. However, paying the most attention to the contribution of the ball alone caused the denial of the popularity of home run hitters. Low skeletal muscle mass is associated with insulin resistance, diabetes, and metabolic syndrome in the Korean population: The Korea National Health and Nutrition Examination Survey (KNHANES) 2009-2010. The current baseball in fact weighs around 5-5 1/4 ounces and these baseballs are used for tournaments. The height of the seams also affects how well a pitcher can pitch. The core of todays standardized ball kept unchanged, containing a cushioned cork, wrapped with two rubber layers. Muscle mass index as a predictor of longevity in older adults. (2014). The manufacturing process of a baseball is like this: Did you know that the double stitches on all professional balls are hand-stitched! These balls all need to have the same size and weight always. It must remain between 6 and 12 feet (1.83 m and 3.66 m) above the ground. Well talk about the healthy range for men and, You can reduce your muscle mass by doing the opposite of what you would do to increase muscle mass: Consume fewer calories, use lighter weights and, Figuring out how much you should weigh for your height and age is more complicated than it sounds. They might affect the way the ball feels when it is held in your hand, but there is little effect on its overall weight. During the 1910 Fall Classic, the league then officially introduced a new ball with a cork core instead of a rubber. This is the standard youth size basketball for boys and girls 9 - 11 and it weighs about 17 oz. Next, the cowhide is added, using rubber cement to attach it to the yarn. In 1920, A.G.Splading was again involved in the baseball design. (2000). The most accurate way to calculate muscle mass percentage is to use magnetic resonance imaging (MRI). It was also this year that Mr. Spalding introduced the use of Australian wool to make the yarn. Hydraulic Pressure Calculator. World War II was terrible for people all around, and that includes baseball players. The vast majority of baseballs today are made by the Rawlings Sporting Goods company (founded in 1887), which is run in Costa Rica. Baseball is typically played using this type of ball. The current professional baseball balls are around 5-5 1/4 ounces. Lemon peel balls were darker, smaller, and weighed less than other baseballs, prompting them to travel further and bounce higher, causing very high-scoring games. In 1974, due to a shortage of the material, horsehide was replaced by the more abundant cowhide as the cover material. The modern baseball weight was decided by Major League Baseball at 5-5 ounces (roughly 142 and 149 g), with strict regulations around baseball sizes and the diameter of a baseball. Throughout history, baseball has changed and evolved, in line with the changes made in the sport. On the other hand, for adults, it can be more than 36 ounces. Protein, which helps build and repair muscle, is particularly important. Why Are Baseball Fields Different Sizes |Bestbaseballreviews- 2022. Is there anything that you would like to add? Step 1: Identification of the given data. The thing about modern baseball is that its design is as old as the game itself. The latter is heavier than the normal baseball and used for practice sessions. Baseball is one of the most popular sports all over the world. Generally, greater muscle mass has positive health effects. Fans are quite divided in their opinion on baseball design in recent times. s -1 ) is the standard unit Ultraviolet light, invisible to the human eye, is between 10 nm and 380 nm. Others say it was invented by Colonel William A. Cutler and sold to William Harwood in 1858. You can also participate in some fun online sports games when you join here, clicking here. The size of a finished ball was not different from the one used in modern days, varying from 5 ounces to five and one-eighths ounces. Your CV and height are placed on a chart with precalculated body fat percentage estimates. If youre a woman, measure your waist, hip, and neck circumferences. However, there were some changes to the little league baseball weight and size. There are calculators, formulas, and scales that claim to measure muscle mass, but these options havent been proven to be accurate. A baseball has mass 0.145 kg. The acceleration of the baseball is 130.35 .. Implications of low muscle mass across the continuum of care: A narrative review. This acts as the core of the ball. JavaScript is disabled. All baseballs in modern days are produced by the Rawlings Company. These balls are pretty heavy, so make sure not to get hit by one of these!if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'bestbaseballreviews_com-narrow-sky-1','ezslot_17',118,'0','0'])};__ez_fad_position('div-gpt-ad-bestbaseballreviews_com-narrow-sky-1-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'bestbaseballreviews_com-narrow-sky-1','ezslot_18',118,'0','1'])};__ez_fad_position('div-gpt-ad-bestbaseballreviews_com-narrow-sky-1-0_1'); .narrow-sky-1-multi-118{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:auto !important;margin-right:auto !important;margin-top:7px !important;max-width:100% !important;min-height:250px;padding:0;text-align:center !important;}. The ball was approved to be used in the official league and would stay this way for a century. A 150 g baseball is moving horizontally at 30 m/s just before reaching the bat. The ball circumference was 7 inches and 3 ounces. (2017). But now bats weighing only 33 ounces are more common and preferable ones. (11.11) 2 / 2 = 135775.3 Joules or 135.7753 kiloJoules. It seems too high. It can vary between 142 and 149 g. 149 g is the weight of a ball inmajor league and national league. In 1910, during the Fall Classic, a new ball with a cork core instead of rubber was introduced. With the three layers of yarn added, the balls weigh roughly 4 ounces. DOI: Pomeroy E, et al. In the 2019 season, home runs were an extremely common occurrence after the all star break. How much kinetic energy does the baseball possess just; Question: A baseball strikes Hideki's glove with a horizontal velocity of 40 m/s. Development and validation of anthropometric prediction equations for estimation of lean body mass and appendicular lean soft tissue in Indian men and women. (2018). If the baseball was in contact with the concrete On average, the circumference will be anywhere from 9 to 9.25 inches. [11] There are 108 double stitches on a baseball, or 216 individual stitches. The rubber cement weighs the ball appropriately. By 1944, the States was mass-producing synthetic rubber, and plenty of it was used for making baseballs and baseball was back to how it looked like before. [8] Over the course of a game, a typical ball would become discolored due to dirt, and often tobacco juice and other materials applied by players; damage would also occur, causing slight rips and seam bursts. How much does a Little League baseball weigh? Recreational-grade baseballs can be purchased by the public for an even lower unit price. It wasnt until 1920 that game rules changed, before that the same ball would be in play for an entire game, only being replaced once it had unraveled. 4 keys to strength building and muscle mass. The horsehide cover was eventually changed to cowhide in the 1970s. Height records, including the tallest and shortest in sports. Cork is the main material that you can find in the core, the middle part of the baseball. Physics ; asked by Lindsey; 243 views; 0 answers; A pitcher claims he can throw a 0.157 kg baseball with as much momentum as a 1.5 g bullet moving with a speed of 1.50 multiplied by 103 m/s. In the study, researchers. Kulkarni B, et al. It weighs about 22 oz. To calculate the magnitude of a 2D vector, the user just enters in the vector's x and y values, and . There isnt a lot of credible data on average muscle mass percentages. So a baseball ball had to use different materials in the making process. (2013). Baseballs come from using a selected list of materials. (2016). In comparison, Little League baseball weights range from4 to 5 ounces, in accordance with the ability of smaller players. Today, MLB teams are required to have a minimum of 156 baseballs ready for use in each game. 4 k g. The initial compression of the spring is, x c = 10 cm. What is this impulse, in kilogram meters per second? [2], In the early, mid-1800s days of baseball, there was a great variety in the size, shape, weight, and manufacturing of baseballs. Quadrupled. The 10 Best Ways to Measure Your Body Fat Percentage, Kick Off National Nutrition Month with 10 Healthy Finds, The 12 Best Running Shorts for Women in 2023, According to Avid Runners, 12 of the Best Heart Rate Monitors of 2023, Debra Sullivan, Ph.D., MSN, R.N., CNE, COI, Daniel Bubnis, M.S., NASM-CPT, NASE Level II-CSS. The making of these balls involves a lot of barehand work even today. According to Baseball-Reference.com, there was an average of 3.94 runs, and 0.13 home runs per game scored from 1901 to 1910. A baseball is a small, round, and hard. It is 9 to 9 14 inches in circumference and 2 783 inches in diameter. Muscle mass, BMI, and mortality among adults in the United States: A population-based cohort study. Each of these round balls has an exciting story behind them. The weight of a Major League baseball ranges from 142 to 149 grams. Since then, there have been little changes to baseball. [1] A baseball is bound together by 108 hand-woven stitches through the cowhide leather. Attempts to automate the manufacturing process were never entirely successful, leading to the continued use of hand-made balls. Exercise and good nutrition will also help preserve muscle mass as you get older. Predicted lean body mass, fat mass, and all cause and cause specific mortality in men: Prospective US cohort study. Randomized Variables m = 0.28 kg h 1 = 2.3 m h 2 = 1.79 m Part ( a ) Select an expression for the impulse I that the baseball experiences when it bounces off the concrete . each MLB team uses tens of thousands of balls every season. A ball of mass 0.2 kg moving with a velocity 10 m/s hits a bat normally and returns with a velocity 20 m/s. Gosportsreviews is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Due to their high relative cost, club owners in the early 20th century were reluctant to spend much money on new balls if not necessary. Okay, so I used the equation vf^2=vi^2-2ad. For Modified-pitch, there aren't any flight path requirements, but there are requirements for the way the ball is tossed. The raw materials are imported from the United States, assembled into baseballs and shipped back. These measurements are then used to determine your circumference value (CV). During World War II, the United States banned the use of rubber for non war-related goods, including for baseballs. Author's measurement of a Wilson Baseball (Model A1001). The circumference measurements dont take into account muscle size. It was in 1876, when the National League was first established, that balls with cores of rubber were designed, by A.G Spalding, a pitcher. The soft baseball tends to have a synthetic leather covering, in comparison to the cowhide used on regular a baseball. (2019). A 29.5 inch (75 cm) men's basketball weighs about 22 ounces (oz) or 1.4 pounds (lbs). As of 2020 only the Arizona Diamondbacks, Boston Red Sox, Colorado Rockies, and Seattle Mariners, were using the devices.[7]. (2014). But, Have you ever learned about the history of baseball, or got in mind the question: How much does a baseball weigh?. The weight of a Major League baseball ranges from 142 to 149 grams. Infrared light, also invisible to the human eye, is from 700 nanometers to 1 millimeter. DOI: Deutz NEP, et al. mass m = 0.44 kg is dropped from a 7 Reasons From Different People, What Is Pine Tar In Baseball? Find the impulse and impulse force, if the hit is a pop foul that. For 12 C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. These materials help to make modern baseballs: Each of the materials goes through multiple checkups before and after usage. For example, a person with 30 percent body fat has 70 percent lean body mass. Whats the Ideal Weight for My Height and Age? This method involves measuring the circumference of different body parts. Aside from standard baseball, there are also indoor, practice, pitching machine, and batting training baseballs. There are 1000 liters in a cubic meter, so the mass of 1 cubic meter of water is approximately 1000 kilograms or 1 metric ton. The design used in todays game has made home runs quite common. Rawlings produces roughly 2.2 million balls every year, of which 1.8 million is sold to the major league and used throughout different leagues. DOI: Lee DH, et al. What is this impulse, in kilogram meters per second? However, modern professional-grade baseballs purchased in bulk as is the case with professional teams only cost about seven dollars each as of 2023 and thus make up a negligible portion of a modern MLB team's operating budget. What Do the Numbers Mean in a Double Play? The only source with reliable information is a 2000 study in the Journal of Applied Physiology. The last part is the leather exterior, which encases the two other parts. the exterior shell of horsehide was replaced with cowhide. On average, the weight of a baseball of the little players ranges from 4 to 5 ounces. You can learn more about how we ensure our content is accurate and current by reading our. Check if you can derive the above impulse equation from the formula J = mv. 2.86 to 2.94 inches (73 to 75mm) in diameter, with a weight of 5 to 5.25 ounces (0.142 to 0.149kg). Determine the average force (in N) exerted on the ball. To appreciate the evolution of baseball throughout the years, its important to know how the early balls were different, going back to the nineteenth century. The modern variety of hard baseballs has a layer of cement that helps to hold the cowhide layer with the yarn. A baseball has a mass of 0.142kg - 0.149kg, and a softball has a mass of 0.177kg - 0.198kg. answer choices 1.5 m/s 2.0 m/s 3.0 m/s 6.0 m/s Question 10 60 seconds Q. Since fat conducts less electricity than muscle, the current can measure how much body fat you have. How can work done by friction stop motion if it is less than applied force? [Let; a .415 kg baseball is pitched at 42 m/s. By eating whole foods, like vegetables and eggs, you can help your muscles stay healthy and strong. From the early dead-ball era to the live-ball era through World War II and finally to modern baseball. However, after the 1920 death of batter Ray Chapman after being hit in the head by a pitch, perhaps due to his difficulty in seeing the ball during twilight, an effort was made to replace dirty or worn baseballs. In the study, researchers measured the muscle mass percentages of 468 men and women. Though much effort has been put in automating the manufacturing process of baseballs, it unfortunately failed. We avoid using tertiary references. Converting them into grams gets us an approximate weight of 142-149 grams. A US nickel weighs 5 grams, and a penny weighs 2.5 grams. of h2 = 1.56 m. Neglect air Strength training: Get stronger, leaner, healthier. Consider a baseball weighing 5.125oz (mass = 0.145kg) which approaches the bat at a speed of 90mph (40.2m/s). Brady AO, et al. Besides, as rubber is a necessary ingredient in arms and ammunition, rubber was limited to all things that were unnecessary to the war, which included baseballs. A rock's weight is determined by its density and volume. A pitcher named A.G.Splading finally made a ball with a rubber core that the National League accepted for use in official games. the baseball, in. National League balls will also be quality checked by MLB. In contrast, recreational-grade baseballs are designed so as not to require any special preparation before being used. It contains artificial leather covering instead of cowhides. You also need enough carbohydrates to fuel your muscles. The addition of various yarn versions to the ball raises its weight to 4 ounces. More on measuring body size from the fitness testing section. Whilst many are familiar with the ordinary hardball, there are differences in size and structure that make rubber and soft compression balls useful for some players, especially in youth games. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. Balls with more rubber and a tighter winding went further and faster (known as "live balls"), and balls with less rubber and a looser winding (known as "dead balls") did not travel as far or fast. The dirtier the ball got, the harder it was to hit. On average, it weighs 4 to 6 ounces. The given data can be listed below as, The stiffness of the spring is, k = 200 N / m . If youre a man, measure your abdominal and neck circumferences. This would lower the offense during the games giving pitchers an advantage. Also, we need to understand the standardized manufacturing process used in the making of todays baseballs. Skeletal muscle also improves your overall metabolism. Only when it became unraveled, was it replaced. In 1876, the National League (NL) was created, and standard rules and regulations were put in place. Meanwhile, the weigh in ounces of a baseball is anywhere from 5 to 5.25 ounces. Such a rare occurrence! The yarn was then added, in addition to 71 yards of blue-gray wool. Basketball leagues also have their own standards and regulations for the size and weight of basketballs that they use. Most such sales today are conducted on MLB's official website. Read My related article:if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'bestbaseballreviews_com-large-mobile-banner-2','ezslot_3',123,'0','0'])};__ez_fad_position('div-gpt-ad-bestbaseballreviews_com-large-mobile-banner-2-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'bestbaseballreviews_com-large-mobile-banner-2','ezslot_4',123,'0','1'])};__ez_fad_position('div-gpt-ad-bestbaseballreviews_com-large-mobile-banner-2-0_1'); .large-mobile-banner-2-multi-123{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:auto !important;margin-right:auto !important;margin-top:7px !important;max-width:100% !important;min-height:50px;padding:0;text-align:center !important;}.

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average mass of a baseball in kg

average mass of a baseball in kg

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