Saturday

December 20, 2014

December 20, 2014

Number of results: 14,626

**phy**

A baseball (m = 145 g) traveling 45 m/s moves a fielder's glove backward 15 cm when the ball is caught. What was the average force exerted by the ball on the glove? find Magnitude
*September 26, 2010 by mas*

**phy**

A baseball (m = 145 g) traveling 45 m/s moves a fielder's glove backward 15 cm when the ball is caught. What was the average force exerted by the ball on the glove? find Magnitude
*September 26, 2010 by mas*

**Physics**

A 0.145-kg baseball traveling 35.0 m/s strikes the catcher's mitt which, in bring the ball to rest, recoils backward 11.0 cm. What was the average force applied by the ball on the glove?
*October 10, 2008 by Steve*

**Physics Please Help!**

1. How much work is required to stop an electron (m = 9.11 10^-31 kg) which is moving with a speed of 1.97 10^6 m/s? 2. An automobile is traveling along a highway at 91 km/h. If it travels instead at 100 km/h, what is the percent increase in the automobile's kinetic energy? 3...
*February 15, 2011 by Anonymous*

**physics**

A baseball of mass 250g, 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 kenetic energy of the ball? b)how much work did the catcher's glove do on the ball? c) what was the average stopping force on...
*December 3, 2009 by Alemu*

**Physics**

A 0.140 kg baseball traveling 39.0 m/s strikes the catchers mitt, which, in bringing the ball to rest, recoils backward 13 cm. What is the average force applied by the ball on the glove?
*June 13, 2012 by Mike *

**physics**

When catching a baseball, a catcher's glove moves by 12 cm along the line of motion of the ball. If the baseball exerts a force of 463 N on the glove, how much work is done by the ball?
*November 8, 2011 by mike*

**physics**

When catching a baseball, a catcher's glove moves by 11 cm along the line of motion of the ball. If the baseball exerts a force of 407 N on the glove, how much work is done by the ball?
*March 18, 2012 by ryan*

**Physics 6A**

A 0.140- baseball traveling 34.0 strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 12.0. What was the magnitude of the average force applied by the ball on the glove?
*April 26, 2012 by Daisy*

**Physical**

A 0.140-kg baseball traveling 38.0m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 15.0cm .What was the average force applied by the ball on the glove?
*February 3, 2014 by Yang*

**Physics**

A 0.15 kg baseball is pitched with a speed of 35 m/s (77 mph). When the ball hits the catcher's glove, the glove moves back by 2.7 cm (1.08 in.) as it stops the ball. Assuming a constant acceleration of the ball, what was the average force applied by the catcher's glove?
*October 22, 2007 by Dante*

**Physics **

A 0.140 kg baseball traveling 39.0 m/s strikes the catchers mitt, which, in bringing the ball to rest, recoils backward 13cm. Question- What is the average force applied by the ball to the glove? *Sigma Force= mass*acceleration
*June 11, 2012 by Mr. McKee*

**Physics**

A 0.140-kg baseball traveling 39.0 m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 13.0 cm. What was the average force applied by the ball on the glove? May someone please take me through this problem step by step? Very lost????
*June 16, 2012 by Mike Joseph*

**Physics**

compare the collision of a baseball and bat with the collision of a baseball and a fielder's glove when the baseball is caught. During which collision is there a greater momentum change for the baseball?
*January 22, 2013 by Dan*

**physics- please help**

Question #1 A 0.140kg- baseball traveling 30.0m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 14.0cm . What was the magnitude of the average force applied by the ball on the glove? question #2 How much tension must a rope withstand if it ...
*April 29, 2012 by emma*

**physics**

A catcher “gives” with the ball when he catches .15 kg baseball moving at 25 m/s. (a) If he moves his glove a distance of 2.0 cm, what is the average force acting on his hand? (b) Repeat for the case in which his glove and hand more 10 cm.
*October 25, 2007 by Anonymous*

**physics**

A catcher "gives" with a baseball when catching it. If the baseball exerts a force of 463 N on the glove, so that the glove is displaced 11.0 cm, how much work is done by the ball?
*January 9, 2012 by Jaron*

**PHYSICS**

A catcher “gives” with a baseball when catching it. If the baseball exerts a force of 460 N on the glove such that the glove is displaced 5.85 cm, how much work is done by the ball? Answer in units of J.
*October 13, 2008 by billy*

**Biomechanics**

A pitched ball with a mass of 1 kg reaches a catcher's glove traveling at a velocity of 28 m/s. How much momentum does the ball have? how much impulse is required to stop the ball? If the ball is in contact with the catcher's glove for 0.5 s during the catch, how much average ...
*November 21, 2010 by Walter*

**physics **

A baseball player hits a baseball (m = 0.145 kg) The ball is initially traveling horizontally with speed of 36 m/s. The batter hits a fly ball as shown, with a speed vf = 54 m/s. (a) What is the magnitude and direction of the impulse imparted to the ball? (b) If the ball (m = ...
*October 5, 2010 by anna *

**physics**

A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 23.0 m/s at an angle of 58.0° above the horizontal. (a) How high will the ball rise? (b) ...
*February 14, 2010 by candace*

**physics**

A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 23.0 m/s at an angle of 54.0° above the horizontal. How high will the ball rise? . m ...
*February 3, 2013 by Abdul*

**physics**

Carmelita tosses a baseball straight up into the air and it returns to her glove in 3.0s. Show that she has to give the ball a vertical speed of 14.7 m/s if it is to return to her glove in that time.
*February 12, 2011 by Daisha*

**physics**

A 0.145 kg baseball is pitched at 42 m/s. The batter hits it horizontally to the pitcher at 58 m/s. GIVEN: m = 0.145 kg v = 42 m/s batter v = 58 m/s a. Find the change in momentum of the ball. p = mv p = (0.145)(42) p = 6.09 --> What velocity would I use? Would i use the ...
*December 25, 2009 by Heart*

**Physics**

A catcher “gives” with the ball when he catches a 0.179 kg baseball moving at 16.5 m/s. If he moves his glove a distance of 2.25 cm, what is the average force acting on his hand? Answer in units of kN.
*February 18, 2010 by Caryn*

**Physics**

A baseball batter hits a long fly ball that rises to a height of 49 m. An outfielder on the opposing team can run at 7.7 m/s. What is the farthest the fielder can be from where the ball will land so that it is possible for him to catch the ball?
*September 10, 2012 by Sara*

**Physics**

A baseball bat balances 61.1 cm from one end. If a 0.600 kg glove is attached to that end, the balance point moves 22.7 cm toward the glove. Find the mass of the bat.
*November 3, 2011 by Cooper*

**ap physics**

A 0.150kg baseball traveling with a horizontal speed of 4.50 m/s is hit by a baseball bat and then moves with a speed of 34.7 m/s in the opposite direction. What is the change in the ball's momentum?
*January 7, 2012 by sergio*

**Physics**

HELP! I'm doing a webassign, and am completley lost on these problems. If you could help with any, that would be great. A crate weighing 9.40 103 N is pulled up a 36° incline by a force parallel to the plane. If the coefficient of kinetic friction between the crate and the ...
*September 22, 2010 by Tom*

**Physice**

I got all but this problem, I A 0.145-kg baseball is pitched at 42.0 m/s. The batter hits it horizontally to the pitcher at 58 m/s. A. Find change in momentum? Is it =.145*58-(-.145*42)=1.45-kg m/s? B. If bat and ball are in contact for 4.6 x 10-4 s, what is average force ...
*February 14, 2010 by Nate*

**Physics**

I got all but this problem. A 0.145-kg baseball is pitched at 42.0 m/s. The batter hits it horizontally to the pitcher at 58 m/s. A. Find change in momentum? Is it =.145*58-(-.145*42)=1.45-kg m/s? B. If bat and ball are in contact for 4.6 x 10-4 s, what is average force ...
*February 14, 2010 by Nate*

**physics**

A baseball is hit into the air at an initial speed of 35.5m/s at an angle of 49.9 degrees above the horizontal. At the same time the center fielder starts running away from the batter and catches the ball 0.877m above the level at which it was hit. If the center fielder is ...
*September 12, 2008 by steve*

**Physics**

I am having alot of difficulty with this problem,any help would be greatly appreciated. A baseball of mass 145 g leaves a pitcher’s hand at 96.6 mi/h (1 mi/h = 1.609km/h), but due to air resistance, it arrives at home plate 60.0 ft away (1 ft = 0.3048 m) traveling at 95.3 mi/h...
*March 26, 2012 by bobby*

**English**

I think I am brain tired, LOL! In the following sentence. The boy's baseball glove needed more padding. I know The boy's baseball are all adjectives. Do they all modify glove?
*November 4, 2014 by Karen*

**Physics w/ Calc**

A baseball approaches home plate at a speed of 43.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 54.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat ...
*October 16, 2011 by Lauren*

**Georgia Highlands college**

Estimate the average force that a baseball pitcher's hand exerts on a 0.145-kg baseball as he throws a 39-m/s pitch. Assume the pitcher accelerates the ball through a distance of 3.0 m, from behind his body to where the ball is released and ignore the air resistance.
*October 23, 2014 by willis*

**algebra 2 **

a baseball player hits a fly ball that is caught about 5 seconds later by an outfielder. the path of the ball is a parabola. the ball is at its highest point as it passes the second baseman, who is 117 feet from home plate. about how far from home plate is the out fielder at ...
*May 9, 2011 by kelli*

**Algebra (Quadratics)**

The height y (in feet) of a baseball thrown by a child is y = -1/10 x^2 + 3x + 6 where x is the horizontal distance (in feet) from where the ball was thrown. Will the ball fly over the head of another child 30 feet away trying to catch the ball? (Assume that the child who is ...
*September 25, 2014 by Ruth*

**physics**

During a baseball game, a batter hits a pop- up to a fielder 78 m away. The acceleration of gravity is 9.8 m/s2 . If the ball remains in the air for 5.8 s, how high does it rise?
*October 20, 2011 by matt*

**physics**

During a baseball game, a batter hits a pop-up to a fielder 92m away. The acceleration is 9.8 m/s^2. If the ball remains in the air for 5.8 seconds, how high does it rise?
*November 9, 2014 by Maya*

**Physics**

During a baseball game, a batter hits a pop-up to a fielder 82 m away. The acceleration of gravity is 9.8 m/s2 . If the ball remains in the air for 6.9 s, how high does it rise? Answer in units of m.
*February 21, 2011 by Aditya*

**Physics**

During a baseball game, a batter hits a pop-up to a fielder 83 m away. The acceleration of gravity is 9.8 m/s^2. If the ball remains in the air for 6.5 s, how high does it rise? Answer in units of m
*October 1, 2011 by Allen*

**Physics**

During a baseball game, a batter hits a pop-up to a fielder 78 m away. The acceleration of gravity is 9.8 m/s^2. If the ball remains in the air for 5.7 s, how high does it rise? Answer in units of m.
*February 19, 2014 by Fabricus*

**Physics**

Now assume that the pitcher in Part D throws a 0.145-kg baseball parallel to the ground with a speed of 32 m/s in the +x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line. What is the ball's velocity just after ...
*October 24, 2010 by Eden*

**Physics**

A baseball catcher puts on an exhibition by catching a 0.15-kg ball dropped from a helicopter at a height of 101 m. What is the speed of the ball just before it hits the catcher's glove 1.0 m above the ground? (g = 9.8 m/s2 and ignore air resistance)
*November 27, 2010 by Matthew *

**physics.**

During a baseball game, a batter hits a pop-up to a fielder 94 m away. The acceleration of grvity is 9.8 m/s^2. If the ball remains in the air for 5.5 seconds, how high does it rise? Answer in units of m.
*October 25, 2010 by Autumn*

**Physics**

During a baseball game, a batter hits a pop up to a fielder 65m away. The acceleration of gravity is 9.8m/s^2. If the ball remains in the air for 5.7s, how high does it rise? Answer in units of m.
*November 19, 2012 by Scott*

**sciences**

If a baseball is thrown 30 m/s backwards from a truck moving 50 m/s, how fast will the ball strike the glove of a ground-based catcher?
*April 10, 2011 by nick*

**science**

If a baseball is thrown 30 m/s backwards from a truck moving 50 m/s, how fast will the ball strike the glove of a ground-based catcher?
*August 7, 2011 by felicia*

**Physics**

if a baseball is thrown 30 m/s backwards from a truck moving 50 m/s, how fast will the ball strike the glove of a ground based catcher?
*November 30, 2011 by christy*

**Physics**

A baseball has a mass of .145 kilograms. A pitcher's fastball travels at 42 m/s. How much force is applied to the ball if the catcher stops the ball in .05 sec?
*October 18, 2011 by Yuki*

**Physics**

A 0.118 kg baseball traveling with a horizontal speed of 3.14 m/s is hit by a bat and then moves with a speed of 33.7 m/s in the opposite direction. What is the magnitude of the change in the ball's momentum?
*November 23, 2014 by Jack*

**science**

1. If a baseball is thrown 30 m/s backwards from a truck moving forward 50 m/s, how fast will the ball strike the glove of a ground-based catcher?
*February 12, 2012 by Anonymous*

**physic**

a baseball is thrown 30 m/s backwards from a truck moving forward 50 m/s, how fast will the ball strike the glove of a ground-based catcher?
*November 25, 2012 by Anonymous*

**SS**

The following natural resources are used to make a regular pencil. wood, graphite, rubber, metal Which of the following products could also be made using the above resources? baseball baseball jersey baseball glove baseball bat (my choice)
*September 6, 2013 by Anonymous*

**Physic**

A 135 g baseball traveling at a speed of 36 m/s hits a bat and moves back along its incoming trajectory with a speed of 47 m/s. a) What is the impulse delivered to the ball by the bat? (Answer: 11.2kg * m/s) b) If the duration of the bat-ball collision is 7 x 10^-4s, what is ...
*April 22, 2014 by Anonymous*

**college physics**

Now assume that the pitcher throws a 0.145 kg baseball parallel to the ground with a speed of 32 m/s in the +x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line. What is the ball's velocity just after leaving the bat ...
*March 11, 2010 by Anonymous*

**physics **

In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 13.0 m/s. The batter hits the ball, and it leaves his bat with a speed of 21.0 m/s in exactly the opposite direction. 1. what is the magnitude of the impulse delivered by the bat to the ...
*November 5, 2014 by sam*

**Chemistry**

Calculate the de Broglie wavelength, in nanometers, associated with a 145 {\rm g} baseball traveling at a speed of 162km/h
*November 26, 2012 by Chironjit*

**physics**

A baseball pitcher throws a ball with a maximum speed of 150. km/h. If the ball is thrown horizontally, how far does it fall vertically by the time it reaches the catcher's glove 20. m away? Give your answer numerically in meters using decimal notation (omit the units). Use ...
*September 21, 2009 by Rose*

**PHYSICIAL SCIENCE**

JAGGER APPLIES A FORCE TO THE BASEBALL AS HIS ARM MOVES A DISTANCE OF 1.0 M USING A RADAR GUN THE COACH FINDS THAT THE BALL HAS A SPEED OF 18M/S AFTER IT IS RELEASED A BASEBALL HAS A MASS OF 0.15KG CALCULATE THE FORCE THAT JAGGER APPLIED TO THE BALL
*May 3, 2013 by Anonymous*

**Science**

A 0.50 kg ball traveling at 6.0 m/s collides head-on with a 1.00 kg ball moving in the opposite direction at a velcity of -12.0 m/s. The 0.50 kg ball moves away at -14 m/s after the collision. Find the velocity of the second ball.
*October 1, 2011 by Clueless*

**physics**

A baseball pitcher throws a ball with a maximum speed of 150. km/h. If the ball is thrown horizontally, how far does it fall vertically by the time it reaches the catcher's glove 20. m away? Give your answer numerically in meters using decimal notation (omit the units). Use ...
*September 19, 2009 by Michael*

**physics**

A baseball is thrown at 88 mi/h and with a spin rate of 1500 rev/min. If the distance between the pitcher’s point of release and the catcher’s glove is about 61 feet, estimate how many revolutions the ball makes between release and catch. Neglect any effects of gravity or air ...
*April 1, 2010 by Sandhya*

**physics**

A baseball of mass 0.145 kg approaches a bat at 40.0 m/s. After it is hit, the ball leaves the bat at 50.0 m/s directly back. Find the impulse of the bat on the ball.
*January 23, 2014 by Mackenzie*

**physics**

in a baseball game a 0.2 kg ball moving at 12 m/s is hit by a bat. after the impact the ball moves in the opposite direction with a velocity of 18 m/s. if the force exerted on the ball of the batter is 670 N. how long is the time of contact
*August 20, 2012 by katie*

**physics**

When baseball players throw the ball in from the outfield, they sometimes allow it to take one bounce before it reaches the infield on the theory that the ball arrives sooner that way. Suppose the angle at which a bounced ball leaves the ground is the same as the angle at ...
*September 19, 2012 by lib*

**math**

a baseball is hit with an initial velocity of 75 feet per second from the height of 3 feet. The function h(t)=-16t squared + 75t + 3 models the path of the baseball where t represents the time in seconds that the ball has been traveling and h represents the height of the ball ...
*March 14, 2012 by fee*

**physics**

A 0.01-kg baseball traveling in a horizontal direction with a speed of 12 m/s hits a bat and is popped straight up with a speed of 15 m/s. (a) What is the change in momentum (magnitude and direction) of the baseball? (b) If the bat was in contact with the ball for 26 ms, what ...
*November 9, 2010 by tim*

**calculus**

Baseball Star Bryan is standing at the top of the Sears Tower in Chicago and decides to throw a baseball up with a velocity of 5 m/s. The Sears Tower is 442 meters tall and gravity exerts a constant acceleration of -9.8 m/s/s. Ignore ball mass and wind resistance. a.) Find ...
*November 28, 2014 by Jay*

**physics**

a .50 kg ball traveling at 6.0 m/s collides head on with a 1.0 kg ball moving in the opposite direction at a velocity of -12.0 m/s. The .50 kg ball moves away at -14 m/s after the collision. Find the velocity of the second ball.
*January 31, 2011 by willy n*

**physics**

a 145g baseball is thrown up at 40 m/s. after traveling a distance of 50m in the air, the baseball is caught. the ball experienced air resistance of what magnitude?
*November 30, 2010 by Anonymous*

**physics**

a 145g baseball is thrown up at 40 m/s. after traveling a distance of 50m in the air, the baseball is caught. the ball experienced air resistance of what magnitude?
*November 30, 2010 by Kiddo*

**physics**

a 145g baseball is thrown up at 40 m/s. after traveling a distance of 50m in the air, the baseball is caught. the ball experienced air resistance of what magnitude?
*November 30, 2010 by Kiddo*

**College Physics**

A 0.145 kg baseball is moving at a speed of 15.0 meter/sec east toward the bat. The bat has 3.00x10^-3 seconds contact with the ball. As a result the ball flies back at 25.0 meter/sec west. What was the force (vector!) the bat exerted on the ball?
*March 24, 2010 by //** *

**College Physics**

A 0.145 kg baseball is moving at a speed of 15.0 meter/sec east toward the bat. The bat has 3.00x10^-3 seconds contact with the ball. As a result the ball flies back at 25.0 meter/sec west. What was the force (vector!) the bat exerted on the ball?
*March 24, 2010 by Anonymous*

**science math practice **

a pitcher throws a 0.145-kg baseball at a velocity of 30.0 m/s. how much kinetic energy does the ball have?
*March 8, 2012 by celeste *

**science math practice **

a pitcher throws a 0.145-kg baseball at a velocity of 30.0 m/s. how much kinetic energy does the ball have?
*March 8, 2012 by celeste *

**Physics**

A regulation baseball has mass 145 g and diameter 22.86 cm. Will this ball float or sink in water? Vsphere = € 4 3π⋅r3
*November 30, 2013 by Angie*

**Physics**

A regulation baseball has mass 145 g and diameter 22.86 cm. Will this ball float or sink in water? Vsphere = € 4 3π⋅r3
*December 1, 2013 by Angie Need Help ASAP*

**Physics-check plz**

If a pitcher throws a fast ball with a speed of 35 m/s. The ball has a mass of 220 grams. a) how much work was done in throwing the ball? b) If the catcher catches the ball by moving his mitt 15 cm. backward what force did he exert? a.) Throwing the ball in a positive ...
*June 20, 2014 by Sasha*

**Physics**

A 0.140-kg baseball is pitched horizontally at 36.7 m/s. When a player hits the ball, it moves at the same speed, but in the opposite direction. If the bat and the ball are in contact for 0.450 ms, calculate the average force the bat exerts on the ball.
*December 9, 2011 by HELP*

**physics**

0.10- baseball moves toward home plate with a velocity = (-31 ). After striking the bat, the ball moves vertically upward with a velocity = (21 ). Find the direction of the impulse delivered to the ball by the bat. Assume that the ball and bat are in contact for 1.5 . Find the...
*July 11, 2010 by john*

**College physics**

If you throw a ball horizontally while standing on a skateboard, you roll backward with a momentum that matches that of the ball. Will you roll backward if you hold onto the ball while going through the motions of throwing it? Explain in terms of momentum conservation.
*September 22, 2013 by Miss Angie*

**physics**

A baseball player puts a baseball on a batting tee. The baseball bat is able to deliver 400,000 W of power and is in contact with the ball for 0.70 ms and a distance of 1.4 cm. the mass of the ball is 145g. What is the average acceleration?
*November 7, 2012 by S*

**physics**

the speed of the fastest pitched baseball was 45 m/s, and the ball's mass was 145 g. (a) What was the magnitude of the momentum of this ball, and how many joules of kinetic energy did it have? (b) How fast would a 57 gram ball have to travel to have the same amount of (i) ...
*October 28, 2009 by sarah*

**physics **

how much force is required to stop a 100 mi/hr fastball? assume the catcher's mitt stops the ball in 1 millisecond and the mass of a baseball is 145 g
*May 28, 2014 by dick *

**physics**

Your physical therapist throws a baseball to you at a certain speed and you catch it. To increase the difficulty, the therapist is going to throw you a medicine ball whose mass is ten times the mass of the baseball. You are given the following choices. Rank these from easiest ...
*October 15, 2012 by lib*

**physics**

Your physical therapist throws a baseball to you at a certain speed and you catch it. To increase the difficulty, the therapist is going to throw you a medicine ball whose mass is ten times the mass of the baseball. You are given the following choices. Rank these from easiest ...
*October 15, 2012 by lib*

**physics**

Your physical therapist throws a baseball to you at a certain speed and you catch it. To increase the difficulty, the therapist is going to throw you a medicine ball whose mass is ten times the mass of the baseball. You are given the following choices. Rank these from easiest ...
*October 15, 2012 by lib*

**physics**

A 0.145 kg baseball pitched at 35.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. If the contact time between bat and ball is 1.00*10 to the -3, calculate the average force between the ball and bat during contact.
*December 19, 2011 by Amelia*

**PHYSICS**

A bat strikes a 0.145kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0 m/s , and it leaves the bat traveling to the left at an angle of 40degrees above horizontal with a speed of 65.0 m/s . The ball and bat are in contact for 1.75 ...
*March 30, 2012 by NOT char*

**physics**

a baseball has a mass of .145 kilograms. If the acceleration die to gravity is 9.8m/s, what is the weight of the baseball
*December 10, 2012 by Darfrell*

**Physics**

In the game of baseball, a pitcher throws a curve ball with as much spin as possible. This spin makes the ball “curve” on its way to the batter. In a typical case, the ball spins at about 20.5 revolutions per minute. What is the maximum centripetal acceleration of a point on ...
*September 19, 2011 by Anon*

**Physics**

when you watch a cricket player catch the cricket ball, you will notice that he allows his hands to trace the path of the ball as it reaches him what is the physics principles behind this? and baseball catching is different, as the catcher moves towards the ball often with his...
*June 28, 2007 by Emma*

**Physics**

A 0.145 kg baseball pitched at 38.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 55.0 m/s. If the contact time between bat and ball is 3.40×10−3 s, calculate the average force between the ball and bat during contact.
*November 8, 2010 by brian*

**Physics**

A 0.145 kg baseball pitched at 37.5 m/s is hit on a horizontal line drive straight back toward the pitcher at 48.0 m/s. If the contact time between bat and ball is 3.50×10^−3 s, calculate the average force between the ball and bat during contact.
*November 10, 2010 by Linda*

**Physics**

A 0.145- kg baseball with an initial speed of 27 m/s rebounds with a speed of 32 m/s after being struck with a bat. If the duration of contact between ball and bat was 1.5 ms, what was the magnitude of the average force between ball and bat?
*November 4, 2014 by Alex*

**physics**

What is the change in kinetic energy of a baseball as it accelerates from rest to 45.0 m/s? The mass of a baseball is 145 grams. answer in joules
*March 7, 2011 by dina*

**Word problem**

To participate in a baseball league, the required equipment for each player is a glove, a hat, and a pair of cleats. A glove costs $48.95 , a hat costs $17.95 , and a pair of cleats costs $ 29.95 . What is the total cost for a team of players?
*May 2, 2012 by Faye *

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