Baseball Definition and 261 Threads

Homework Statement The question i need to answer is: A baseball has a flight time of 7 seconds. What maximum height did it reach? (ignore air resistance.) Homework Equations I need to use equation 1 and equation 5 of the constant acceleration equations. The Attempt at a Solution I...

Homework Statement Homework Equations Energy conservation et al. The Attempt at a Solution I think that all of the final velocities will be equal, but I am not sure how to show this mathematically. Seems like a trick question.

1. In a baseball game where does the ball have the most potential energy? A. In the hand of the pitcher. B. When it makes contact with the bat. C. Top of a pop fly. D. When it’s caught in the out felid. Homework Equations The Attempt at a Solution I believe the answer is either B or C. any help?

A batter hits a baseball at a speed of 35 m/s? and an angle of 65 degrees above the horizontal. At the same instant, an outfielder 70 m away begins running away form the batter in the line of the ball's flight, hoping to catch it. How fast must he outfielder run to catch the ball? ignore air...

Homework Statement Baseball pitcher NR threw a pitch measured at 44 m/s. If it was 17.1 m from N's position on the pitcher’s mound to home plate, how long did it take the ball to get to the batter waiting at home plate? Treat the ball’s velocity as constant and ignore any gravitational...

Homework Statement In a baseball game, a batter hits the ball at a height of 4.60 ft above the ground so that its angle of projection is 52.0º to the horizontal. The ball lands on the grandstand, 39.0 ft up from the bottom. The grandstand seats slope upward at 28.0º with the bottom seats 358...

Theres a right field fence and a left field fence the left field fence is 15 feet farther than the right field the fences are 4 feet high in left field i need to know how high to make the fence in right field to have equal difficulty to hit a home run to right field

Being "politically correct" in baseball in the 1950s I'm embarassed to admit that although I grew up in Ohio, I didn't know until today that the Cincinnati Reds changed their name to the "Redlegs" from 1953 to 1959 because of the "Red Scare." When the Reds showed their legs (CNN) My excuses...

I have a downed bat on my balcony (5th floor apartment) and I have pretty much no idea what to do to help it. It has some movement - it can crawl back under my washing machine. Tonight I left some meal worms and a shallow container of water out for it. I live in THAILAND and it is not like I...

Homework Statement A bat strikes a 0.145 kg baseball. Just before impact, the ball is traveling horizontally to the right at 50.0 m/s, and it leaves the bat traveling to the left at an angle of 35 degrees above horizontal with a speed of 60.0 m/s. The ball and bat are in contact for 1.65...

Homework Statement You and some classmates read that the record for the speed of a pitched baseball is 46.0m/s. You want to know how fast your school's star baseball pitcher could throw. You made a pendulum with a rope and a small box lined with a thick layer of soft clay, so that the...

Homework Statement A baseball is seen to pass upward by a window 23m above the street with a vertical speed of 14m/s. If the ball was thrown from the street, (a) what was the initial speed, (b) what altitude does it reach, (c) when was it thrown, and (d) when does it reach the street again...

Question: A 0.165kg baseball pitched horizontally at 34.5 m/s strikes a bat and is popped straight up to a height of 40.0m. a) If the contact time between bat and ball is 1.0ms, calculate the magnitude of the average force between the ball and bat during contact. I got this part right. I...

fun with baseball and cannon sim. please help? hey all, I was just curious about a few questions. ok assuming a baseball weighs 5 ounces (and has a mass of .142kg) how many Newtons of force would it take to shoot the baseball 500meters at a 45degree angle assuming the target was level with...

Hi I have never played soccer or baseball. These are not popular forms of sport where I live. Cricket is all we have and we love it. But I want to learn the general rules and have some basic knowledge of these sports. In cricket they have ICC - the international governing body of cricket...

A baseball (4oz .00781 slugs) is thrown at 60 ft/s. After it strikes the bat it is hit at 40 degrees to the initial trajectory (towards third base) and then has a velocity of 120 ft/s. What is the magnitude of the average force applied? T=0.02 sec. 2. F delta T = m delta V 3...

How fast must a human throw a baseball in order to break the sound barrier? I know a jet breaks the sound barrier at approximately 750 mph but would it be the same for a human?

Homework Statement Does a baseball on a slinky have a smaller Beta, or balloon on a slinky? Explain. Homework Equations Beta = b/sqrt(mk) b: damping coefficient m: mass k: spring constant The Attempt at a Solution I see that the spring constant k is the same for either...

Homework Statement A 0.15 kg baseball is pitched with a speed of 23 m/s. When the ball hits the catcher's glove the glove moves back by 0.044 m as it stops the ball. Assuming a constant acceleration of the ball, what was the average force applied by the catcher's glove? Homework Equations p...

A baseball of mass 143 g is thrown with a velocity of < 22, 15, -12 > m/s. What is the kinetic energy of the baseball? Homework Equations K=1/2mv^2 The Attempt at a Solution i got < 34.6, 16.1, 10.3 > J but webassign says i am wrong? what am i doing wrong?

Homework Statement 1. Consider a man throwing a baseball. Given the following, calculate the velocity of the ball as it leaves his hand: 1. The distance from his shoulder socket (humeral head) to the ball is 70 cm. 2. The distance from his humeral head to the points of insertion of the...

Homework Statement A 0.140 kg baseball leaves a pitcher's hand at a speed of 30.0 m/s. If air drag is negligible, how much work has the pitcher done on the ball by throwing it? I don't even know where to start. I feel like if someone could help me find force i would be able to finish...

A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 25 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? ? ft/s (b) At what rate is his distance from third base increasing...

1. A home run is hit such a way that the baseballjust clears a wall 27 m high located 147 mfrom home plate. The ball is hit at an angleof 37◦ to the horizontal, and air resistance isnegligible. Assume the ball is hit at a heightof 1 m above the ground.The acceleration of gravity is 9.8 m/s2...

1. A baseball goes from zero to 46 m/s in 0.143 s. What is its average acceleration? Answer in units of m/s2.

Recently a friend and I were discussing a video on MLB.com about a 5 year old hitting a 90MPH fastball. I said no way would even have the arm strength to stop the ball let alone hit the ball. That started us wondering... how much force is actually needed to make a 90MPH fast ball going in one...

I've read that the thin air at Coors Field, Denver (among other factors) makes it a venue conducive to home runs. As a percentage, how much faster does the ball travel due to the thinner air?

A baseball is thrown directly upward at time t=0 and is caught again at time t=5\;\rm s. Assume that air resistance is so small that it can be ignored and that the zero point of gravitational potential energy is located at the position at which the ball leaves the thrower's hand. I need to...

As you can see, this is my first post on the forum. I'll admit right now I'm here as an "asker" and not as an "answerer"... I realize my topic was vague, and I realize there are many factors including trajectory, pitch speed, bat material, wind, altitude, ball rotation, the bat's "sweet spot"...

How many foot pounds of work does it take to throw a baseball 90 mph? A baseball weighs 5 oz, or 0.3125 lb. The only equation I can find is W= (change) KE, where KE=1/2mv^2 When I try plugging in the data given I'm not getting the correct answer. I don't know if I'm doing incorrect unit...

Homework Statement A baseball is hit with an initial velocity of 103 ft/sec, with an initial height of 3 ft, and at an angle of 41 degrees. There is a wind blowing 22ft/sec in the direction opposite to the horizontal path of the ball at an angle of depression of 12 degrees. Assume that gravity...

Homework Statement A(n) 0.182 kg baseball is thrown with a speed of 15.3 m/s. It is hit straight back at the pitcher with a final speed of 10.4 m/s. What is the magnitude of the impulse delivered to the ball? Homework Equations impulse=mass*change of velocity The Attempt at a Solution...

Homework Statement A baseball is thrown from the roof of a building of height 21.2m with an initial velocity of magnitude 10.7 m/s and directed at an angle of 54.4 degrees above the horizontal. a. What is the speed of the ball just before it strikes the ground? Use energy methods and...

Homework Statement A baseball was thrown at an angle of 45degrees above the horizonal, it traveled a horizontal distance of 296ft. and it was caught at the same level from which it was thrown. Neglect air resistance. A.) What was the ball's initial speed? B.) how long was the ball in the...

Homework Statement Suppose a .146 kg baseball is traveling at 40 m/s. a.How much work must be done on the ball to stop it? answer 116.8 J b. if it is brought to rest in 2 cm what average force must act on the ball? Homework Equations KE=(1/2)mv^2 The Attempt at a Solution w=Favg(.02m)...

So a friend and I started a debate over dinner, and no-one around here really wants to side with either of us, since neither of us has any concrete facts on the issue. The issue is this: Which would have a greater chance of causing a fatal impact on someone, a wooden bat or an aluminum bat...

[b]1. A baseball is hit at ground level. The ball reaches its maximum height above ground level 3.5 s after being hit. Then 3.0 s after reaching its maximum height, the ball barely clears a fence that is 95.8 m from where it was hit. Assume the ground is level. What maximum height above ground...

Homework Statement You throw a baseball straight up in the air so that it rises to a maximum height much greater than your height. Is the magnitude of the acceleration greater while it is being thrown or after it leaves your hand? Explain. 2. The attempt at a solution I'm guessing that...

Homework Statement A boy throws a ball upward with a speed of vo= 12m/s. The wind imparts a horizontal acceleration of 0.4m/s^2 to the left. At what angle theta must the ball be thrown so that it returns to the point of release. (assuming wind does not affect vertical motion. Homework...

Homework Statement A baseball of mass 250g (0.25kg), pitched with a speed of 40m/s, is caught by a catcher whose glove moves backward 0.25m while stopping the ball. a) What is the kinetic energy of the ball? (solved) b) How much work did the catcher's glove do on the ball? c) What was the...

Is it true or false that when a baseball player hits a home run, the baseball receives a greater impulse from the bat than the bat does from the ball? I think the answer is false because of the law of conservation of momentum.

Homework Statement A catcher "gives" with a baseball when catching it. If the baseball exerts a force of 511N on the glove, so that the glove is displaced 12.0 cm, how much work is done by the ball? Homework Equations W=F* \Deltax [b]3. The Attempt at a Solution [/tex] W=511*12.0?

Homework Statement The following is data from a computer simulation for a batted baseball with mass 0.145 kg, including air resistance: t x y v_x v_y 0 0 0 30.0 m/s 40.0 m/s...

Homework Statement A 0.140-kg baseball traveling 45.0 m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 11.0 cm. What was the average force applied by the ball on the glove? Homework Equations F=ma ? The Attempt at a Solution It is the whole...

Homework Statement A 72 g autographed baseball slides off of a 1.3 m high table and strikes the floor a hori- zontal distance of 0.7 m away from the table. The acceleration of gravity is 9.81 m/s2 . What was the direction of the ball’s velocity just before it hit the floor? That is...

Homework Statement A baseball player hits a baseball (m = 0.145 kg) as shown in the figure below. The ball is initially traveling horizontally with speed of 35 m/s. The batter hits a fly ball as shown, with a speed vf = 51 m/s. What is the magnitude and direction of the impulse imparted on the...

Homework Statement Note: zero air resistance for this problem. A home run is hit and the ball lands in the seats at a height of 7.5m above the point at which it was hit. The ball had a velocity of 36m/s at 28deg above the horizontal as it left the bat. a) What max height did ball reach...

Homework Statement A baseball is seen to pass upward by a window 28 m above the street with a vertical speed of 8 m/s. The ball was thrown from the street. (a) What was its initial speed? (b) What altitude does it reach? (c) How long after it was thrown did it pass the window? (d)...

Homework Statement A baseball is thrown straight up. The drag force is proportional to v^2. In terms of g , what is the y-component of the ball's acceleration when its speed is half its terminal speed and it is moving up? moving back down? Homework Equations F=ma mg+bv^2=ma mg-Bv^2=ma The...

So, I am discussing with a friend of mine the odds of having a team be involved in a season end tiebreaker 2 years in a row. Although I did have statistics in college, I am a not a great statistician, so I am wondering if someone can help me with how to calculate the odds. Thanks!