Friday

December 19, 2014

December 19, 2014

Number of results: 19,145

**physics**

A 0.145-kg baseball pitched horizontally at 27 m/s strikes a bat and is popped straight up to a height of 38 m. If the contact time between the bat and the ball is 2.35 ms, calculate the average force [exerted by the bat on the ball] during contact. [Let the positive axis lie ...
*February 19, 2013 by m*

**physics-momentum**

A 0.145-kg baseball pitched horizontally at 39 m/s strikes a bat and is popped straight up to a height of 31 m. If the contact time between the bat and the ball is 2.35 ms, calculate the average force [exerted by the bat on the ball] during contact. [Let the positive axis lie ...
*February 21, 2010 by Anonymous*

**physics for scientists and engeneers I**

A 0.145-kg baseball pitched horizontally at 27 m/s strikes a bat and is popped straight up to a height of 43 m. If the contact time between the bat and the ball is 2.35 ms, calculate the average force [exerted by the bat on the ball] during contact. [Let the positive axis lie ...
*February 15, 2011 by Johnathon*

**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*

**Physics**

A .145kg baseball pitched at 39m/s is hit on a horizontal line drive straight back toward the pitched at 52m/s. If the average force the bat exerts on the ball is 13,200N, how long did the collision last?
*May 9, 2012 by Sarah*

**physics**

A baseball player pops a pitch straight up. The ball (mass 160 g) was traveling horizontally at 32.0 m/s just before contact with the bat, and 24.0 m/s just after contact. Determine the magnitude of the impulse delivered to the ball by the bat.
*April 10, 2011 by cloey*

**Physics **

a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. to what height did the ball rise. t=7.72 s the answer is 73 m, but how do you get that answer
*December 1, 2013 by Aly*

**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*

**phy3**

A 0.01-kg baseball traveling in a horizontal direction with a speed of 11 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?
*March 17, 2012 by opp*

**physics**

as a baseball player strikes the ball with his batt the 1kg bat applies an average force of 250N on the .15kg baseball for .2 seconds. A) what is the force applied by the baseball on the bat? what is the acceleration of the baseball? C) what is the speed of the baseball at the...
*October 20, 2011 by Ali*

**Science**

A 0.5-kg baseball is pitched at 45 m/s and is struck by a bat and sent back toward the pitcher at -45 m/s. If the ball is in contact with the bat for 0.0025 seconds, how hard does the bat hit the ball? What forces act on the ball after the bat hits it?
*November 15, 2011 by Horace*

**physics **

a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. at what time is the ball 20 m above the ground?
*December 1, 2013 by Aly*

**physics**

A baseball (m = 148 g) approaches a bat horizontally at a speed of 43.8 m/s (98.0 mi/h) and is hit straight back at a speed of 48.4 m/s (108 mi/h). If the ball is in contact with the bat for a time of 1.08 ms, what is the average force exerted on the ball by the bat? Neglect ...
*July 25, 2013 by tcc*

**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 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. again. **

a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. at what time after being struck is the ball moving at 10 m/s upwards? where is the baseball at this time? answer= 67.9m I need to know how to get this answer
*December 1, 2013 by Aly*

**physics**

a baseball (m = 153 g) approaches a bat horizontally at a speed of 41.0 m/s (92 mi/h) and is hit straight back at a speed of 45.8 m/s (102 mi/h). If the ball is in contact with the bat for a time of 1.05 ms, what is the average force exerted on the ball by the bat? Neglect the...
*November 9, 2011 by Kelsey*

**physics**

A baseball (m = 151 g) approaches a bat horizontally at a speed of 39.8 m/s (89 mi/h) and is hit straight back at a speed of 45.7 m/s (102 mi/h). If the ball is in contact with the bat for a time of 1.05 ms, what is the average force exerted on the ball by the bat? Neglect the...
*March 12, 2012 by Natasha*

**physics**

A baseball (m = 135 g) approaches a bat horizontally at a speed of 40.4 m/s (90 mi/h) and is hit straight back at a speed of 45.7 m/s (102 mi/h). If the ball is in contact with the bat for a time of 1.00 ms, what is the average force exerted on the ball by the bat? Neglect the...
*November 12, 2012 by Anonymous*

**Physics**

A baseball (m = 135 g) approaches a bat horizontally at a speed of 40.4 m/s (90 mi/h) and is hit straight back at a speed of 45.7 m/s (102 mi/h). If the ball is in contact with the bat for a time of 1.00 ms, what is the average force exerted on the ball by the bat? Neglect the...
*November 18, 2012 by D*

**Physics**

A baseball (m = 149 g) approaches a bat horizontally at a speed of 42.2 m/s (94 mi/h) and is hit straight back at a speed of 48.1 m/s (108 mi/h). If the ball is in contact with the bat for a time of 1.10 ms, what is the average force exerted on the ball by the bat? Neglect the...
*October 23, 2014 by Cammy*

**physics**

A major leaguer hits a baseball so that it leaves the bat at a speed of 30.5m/s and at an angle of 36.9 degrees above the horizontal. You can ignore air resistance.At what two times is the baseball at a height of 8.50 above the point at which it left the bat? What is the ...
*September 21, 2008 by Tee*

**physics**

a .415 kg baseball is pitched at 42 m/s. the batter hits it horizontally to the pitcher at 58 m/s. a) find the change in momentum of the ball. b) if the ball and bat were in contact for 4.6*10^-4 s what would be the average force while they touched?
*January 31, 2011 by skhan*

**Physics**

A 0.149-kg baseball is pitched a 40 m/s. The batter hits it horizontally to the pitcher at 56 m/s. Find the change in momentum of the ball. If the ball and bat were in contact 4.2 multiplied by 10-4 s, what would be the average force while they touched?
*February 24, 2013 by Anonymous*

**physics**

A baseball (m = 149 g) approaches a bat horizontally at a speed of 39.8 m/s (89.0 mph) and is hit straight back at a speed of 45.8 m/s (102 mph). If the ball is in contact with the bat for a time of 1.27 ms, what is the average force exerted on the ball by the bat? Neglect the...
*January 19, 2012 by Jen*

**Physics**

A 0.15kg baseball pitched at 30 m/s is hit on a horizontal line drive straight back at the pitcher at 46.0 m/s. If the contact time between bat and ball is 5x10^-3 s, calculate the force (assumed to be constant) between the ball and bat. [Hint: impulse!] I did FΔt = Δ...
*May 18, 2014 by Cat*

**Physics**

The velocity of the baseball as it leaves the bat is 38.2 m/s. Determine (a) the maximum height the baseball reaches, and (b) the total timke the baseball is in the air. Assume the baseball is caught at the same height above the ground as it was hit.
*November 27, 2012 by Anonymous*

**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*

**Physics**

A baseball with a mass of 150 g is thrown horizontally with a speed of 39.5 m/s (88 mi/h) at a bat. The ball is in contact with the bat for 1.15 ms and then travels straight back at a speed of 45.0 m/s (101 mi/h). Determine the average force exerted on the ball by the bat. ...
*March 2, 2014 by Elaine*

**Physics**

A baseball is popped straight up into the air and has a hang-time of 6.25 s. Determine the height to which the ball rises before it reaches its peak.
*November 1, 2010 by Jordan*

**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**

major leaguer hits a baseball so that it leaves the bat at a speed of 29.0m/s and the angles of 36.9 above horizontal ignore resistance what two time is the baseball at a height of 10.0m above the point at which it left the bat? *what two times is the baseball at a height of ...
*September 28, 2013 by deb*

**physics**

A major leaguer hits a baseball so that it leaves the bat at a speed of 31.5 and at an angle of 36.1above the horizontal. You can ignore air resistance. At what two times is the baseball at a height of 8.00 above the point at which it left the bat?
*January 26, 2011 by John*

**physics**

I'm not sure how to solve this..a baseball is popped straight up into the air and has a hang-time of 6.25s. Determine the height to which the ball rises before it reaches its peak.
*February 12, 2009 by jona*

**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 major leaguer hits a baseball so that it leaves the bat at a speed of 28.0 and at an angle of 36.9 above the horizontal. You can ignore air resistance.At what two times is the baseball at a height of 9.50 above the point at which it left the bat?
*September 17, 2012 by JACK*

**physics- please respond !**

A 0.130kg baseball pitched at 35.5 m/s is hit on a horizontal line drive straight back at the pitcher at 50.5 m/s . Part a: If the contact time between bat and ball is 4.25×10^−3 , calculate the magnitude of the force (assumed to be constant) between the ball and bat. ...
*June 1, 2012 by katie*

**physics- please respond**

A 0.130kg baseball pitched at 35.5 m/s is hit on a horizontal line drive straight back at the pitcher at 50.5 m/s . Part a: If the contact time between bat and ball is 4.25×10^−3 , calculate the magnitude of the force (assumed to be constant) between the ball and bat. ...
*June 1, 2012 by katie*

**Physics**

A major leaguer hits a baseball so that it leaves the bat at a speed of 28.0 and at an angle of 36.9 above the horizontal. You can ignore air resistance. At what two times is the baseball at a height of 9.50 above the point at which it left the bat? Calculate the horizontal ...
*September 17, 2012 by JACK - please HELP*

**Physics **

A baseball of mass 0.13 kg, moving horizontally with a momentum of 4 kg¡Pm/s, is struck head-on by a baseball bat with an impulse of 10 N¡Ps. What is the speed of the baseball after it is struck? _______m/s
*October 20, 2013 by anonymous *

**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 2.2-kg baseball is pitched to you at 21 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.17 s, what is the magnitude of the average force the bat exerted on the ball? Please show all work and provide any ...
*July 7, 2013 by Selina*

**College physics **

When a 0.15 kg baseball is hit, it approaches the bat with a speed of 20 m/s and undergoes an elastic collision. (a) What is the impulse delivered to the bat by the ball? (b) If the baseball is in contact with the bat for 1.3 ms, what is the average force exerted by the bat on...
*October 24, 2014 by Jeffrey *

**PHYSICS**

A baseball of mass 148g is travelling at 35.0m/s [E] collides with a baseball bat. the collision lasts for 1.10ms. After the collision, the baseball travels at 52m/s [W]. What is the force of the bat on the baseball
*April 5, 2013 by R*

**physics**

A baseball player pops a pitch straight up. The ball (mass 230g ) was traveling horizontally at 36.0m/s just before contact with the bat, and 21.0m/s just after contact. Part A Determine the magnitude of the impulse delivered to the ball by the bat. Part B Determine the ...
*October 29, 2013 by becca*

**Physics**

A baseball player pops a pitch straight up. The ball (mass 230g ) was traveling horizontally at 36.0m/s just before contact with the bat, and 21.0m/s just after contact. Part A Determine the magnitude of the impulse delivered to the ball by the bat. Part B Determine the ...
*October 29, 2013 by HELP!!!!*

**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 whose mass is 0.25kg is struck by a bat. just before impact, the ball is traveling horizontally ay 40m/s to the left and it leaves the bat at an angle of 30 degrees above the horizontal with a speed of 60m/s. if the ball and bat were in contact for 0.05s, find the ...
*November 26, 2012 by Rita*

**Science: Phsycs**

A baseball player swings his 2 kg bat with a speed of 15 m/s. They hit a 0.142 kg baseball which was approaching at a speed of 40 m/s. the ball rebounds in the other direction at 45 m/s. If the baseball and bat are in contact for 5 ms, what is the average force the bat exerts ...
*October 25, 2011 by Mariah*

**Physics**

A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.20 s for the ball to reach its maximum height.
*September 21, 2012 by Kelly*

**physics**

suppose a major league pitcher can throw a baseball at about 45 m/s (about 100mph). IF a baseball has a mass of .55kg. Suppose that the batter hits the ball straight back at the pitcher at 55 m/s. If the bat is in contact with the ball for only .055 second, what size force ...
*August 20, 2012 by Anonymous*

**Physics**

A batted baseball leaves the bat at an angle of 30.0 degrees about the horizontal and is caught by an outfilder 375 ft from home plate at the same height from which it left the bat. (a) what was the initial speed on the ball? (b) how high does the ball rise about the point ...
*June 4, 2009 by Sarah*

**physics**

A batted baseball leaves the bat at an angle of 26.0^\circ above the horizontal and is caught by an outfielder 355{\rm ft} from home plate at the same height from which it left the bat. What was the initial speed of the ball? How high does the ball rise above the point where ...
*January 26, 2013 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**

A batted baseball leaves the bat at an angle of 35.0 degrees above the horizontal and is caught by an outfielder 370 ft. from home plate at the same height from which it left the bat.
*September 22, 2011 by yesenia*

**math**

A baseball player swings and hits a pop fly straight up in the air to the catcher. The height of the baseball in meters t seconds after it is hit is given by a quadratic function h(t) = −4.9t^2 + 9.8t + 1. What is the maximum height of the baseball?
*April 14, 2013 by Anonymous*

**physics**

Is it true 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?
*November 23, 2009 by ronnie*

**physics**

A 145-g baseball travels at 35 m/s toward a baseball player's bat (the bat is the object of reference) and rebounds in the opposite direction at 40 m/s
*December 10, 2014 by Anonymous*

**physics**

IF A 0.5 Kg baseball(at rest) is hit by a bat with a force of 200.0 N what is the magnitude of the baseball just as it is leaving the bat?
*February 26, 2013 by RICHARD*

**physics**

Is it true or false that when a baseball player hits a home room, the baseball received a greater impulse from the bat than the bat did from the ball?
*November 21, 2009 by Josh*

**physics**

Is it true or false that when a baseball player hits a home room, the baseball received a greater impulse from the bat than the bat did from the ball?
*November 23, 2009 by julia*

**physics**

A baseball is pitched at 40 m/s. The batter hits the ball directly back at the pitcher at 50 m/s. What is the magnitude of the acceleration of the ball if it was in contact with the bat for 1/30s. Answer says 2700m/s^2
*January 25, 2011 by Nathan*

**Algebra 2**

A baseball player swings and hits a pop fly straight up in the air to the catcher. The height of the baseball in meters t seconds after it is hit is given by a quadratic function h(t) = −5t^2 + 10t + 1. What is the maximum height of the baseball?
*May 1, 2012 by Alex*

**algebra**

in the past professional baseball was played at the astrodome in Houston, Texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t + 45t + 1. will a baseball ...
*April 11, 2013 by anon*

**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 baseball has a mass of about 0.14 kg, and it is pitched towards home plate at a speed of about 46 m/s. If the bat exerts an average force of 9500 N for 1.7 ms, what is the final speed of the ball in m/s?
*February 23, 2014 by Jacob Szczepanski*

**Physics**

Every once in a while a bird will get hit by a baseball during a baseball game. The longest home runs in baseball land about 500 feet (which is 152.4 meters) from home plate. If these balls leave the bat at a 45 degree angle to maximize their distance, what is the minimum safe...
*March 12, 2013 by John*

**Physics**

Every once in a while a bird will get hit by a baseball during a baseball game. The longest home runs in baseball land about 500 feet (which is 152.4 meters) from home plate. If these balls leave the bat at a 45 degree angle to maximize their distance, what is the minimum safe...
*March 27, 2013 by Dan*

**physics**

Is it true 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? My thinking is that everything should be equal so I would answer this question false-am I correct?
*November 23, 2009 by ronnie*

**Physics**

An aluminum baseball bat has a length of 0.87 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat. °C
*April 4, 2008 by Will*

**Physics**

An aluminum baseball bat has a length of 0.87 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.
*April 6, 2008 by Happy*

**Physics**

I solved part A but not part B: A batted baseball leaves the bat at an angle of 35.0 degrees above the horizontal and is caught by an outfielder 370 ft. from home plate at the same height from which it left the bat. Part A: What was the initial speed of the ball? Answer: 34.3 ...
*September 25, 2010 by .*

**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*

**phyics**

Find the horizontal range of a baseball that leaves the bat at an angle of 63 degrees, with the horizontal with an initial velocity of 160 km/hr. discard air resistance
*December 14, 2011 by Brittany*

**physics**

140gm baseball travel 39m/s hits bat and travels at 45m/s at 30degree angle above horizontal,ball in contact wiht bat for 1.2ms calculate magnitude of average force on ball by bat
*January 7, 2012 by Anonymous*

**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*

**math**

which of the following professonal baseball playershad the best batting average during 1999 season a. 188 hits in 620 at bat b.181 in 575 at bat c. 152 hits in 601 at bat? i chose b but i am not sure i am right please help me
*September 4, 2007 by jesse*

**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*

**physics**

A friend throws a baseball horizontally. He releases it at a height of 2.0 m and it lands 21 m from his front foot, which is directly below the point at which he released the baseball. (a) How long was it in the air? (b) How fast did he throw it?
*December 15, 2010 by molly schwalje*

**physics**

a friend throws a baseball horizontally. he releases it a height of 2 m and it lands 21 m from his front foot, which is directly below the point at which he released the baseball. (a) how long was it in the air? (b) how fast did he throw it? (a) (b)
*June 24, 2011 by aimee*

**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*

**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*

**Physics**

A batted baseball leaves the bat at an angle of 30.0 degrees about the horizontal and is caught by an outfilder 375 ft from home plate at the same height from which it left the bat. (a) what was the initial speed on the ball? (b) how high does the ball rise about the point ...
*June 4, 2009 by Sarah*

**physics- PLEASE HELP**

2. A .12 kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14 m/s. What is the change in the magnitude of the momentum of the ball? 4. Lonnie pitches a baseball of mass .2 kg. The ball arrives at home plate with a speed of ...
*December 3, 2008 by kim*

**Alg1**

A baseball player hits a baseball into the outfield. The equation h= -0.005x^2 +x+3 give the path of the ball, where (h) is the height and (x) is the horizontal distance the ball travels. A. What is the equation of the axis of symmetry? It's -100 right? B. What is the Mac ...
*October 20, 2011 by Adam*

**Physics Help!!!**

A pitcher throws a 0.111-kg baseball, and it approaches the bat at a speed of 37.4 m/s. The bat does 78.6 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 30.8 m above the point of impact.
*February 26, 2012 by Isaac*

**Physics**

A pitcher throws a 0.107-kg baseball, and it approaches the bat at a speed of 31.7 m/s. The bat does 77.9 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 22.7 m above the point of impact.
*October 9, 2012 by StressedStudent*

**physics**

A pitcher throws a 0.168-kg baseball, and it approaches the bat at a speed of 45.2 m/s. The bat does 86.6 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 22.5 m above the point of impact.
*April 16, 2013 by Anonymous*

**physics**

A pitcher throws a 0.198-kg baseball, and it approaches the bat at a speed of 57.5 m/s. The bat does 85.1 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 32.7 m above the point of impact.
*March 19, 2014 by Anonymous*

**Physics**

A pitcher throws a 0.192-kg baseball, and it approaches the bat at a speed of 43.2 m/s. The bat does 69.8 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 32.6 m above the point of impact.
*April 4, 2014 by Elle*

**Physics**

A pitched ball is hit by a batter at a 45 degree angle. It just clears the outfield fence, 97 m away. Find the velocity of the ball when it left the bat. Assume the fence is the same height as the pitch.
*October 16, 2007 by Anonymous*

**Physics**

A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 35.0 m/s. The bat does Wnc = 65.0 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 25.0 m above the point of impact
*October 24, 2010 by Xavier*

**Physics**

A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 45.0 m/s. The bat does Wnc = 65.0 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 25.0 m above the point of impact.
*March 14, 2012 by Natasha*

**Physics**

A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 50.0 m/s. The bat does Wnc = 65.0 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 25.0 m above the point of impact.
*October 15, 2012 by Ben*

**Alg 1 quadratic functions**

A baseball player hits a baseball into the outfield. The equation h= -0.005x^2 +x+3 give the path of the ball, where (h) is the height and (x) is the horizontal distance the ball travels. A. What is the equation of the axis of symmetry? It's -100 right? B. What is the Mac ...
*October 20, 2011 by Cole*

**Coolio**

If a baseball player has 18 hits in 50 at bat,what is the probability that he will get a hit in his next at bat? Express your answer as a decimal number in the thousandths place.
*September 10, 2014 by Elise*

**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*

**Pre Calc**

7. The Sandusky Little League uses a baseball throwing machine to help train 10-year old players to catch high pop-ups. It throws the baseball straight up with an initial velocity of 48 ft/sec from a height of 3.5 ft. a. Find an equation that models the height of the ball t ...
*November 18, 2010 by Anonymous*

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