Sunday

April 20, 2014

April 20, 2014

Number of results: 22,452

**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 ...
*Sunday, February 14, 2010 at 1:31pm 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 ...
*Sunday, February 14, 2010 at 6:23pm by Nate*

**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 ...
*Friday, December 25, 2009 at 8:37pm by Heart*

**english**

Pitched has several meanings: 1) it can mean to throw a ball or some other object. Example: I pitched the trash into the can. He pitched for a professional baseball team. 2) it can mean a sales speech. He made a sales pitch to the manager of the company. He pitched for better ...
*Wednesday, July 28, 2010 at 1:36pm by GuruBlue*

**Physics**

a 0.145 kg baseball pitched at 39.0 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 0000.3 s,calculate the average force between the ball and bat during contact.
*Monday, November 16, 2009 at 5:42pm by Anonymous*

**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.
*Monday, December 19, 2011 at 3:19pm 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.
*Monday, November 8, 2010 at 3:55am 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.
*Wednesday, November 10, 2010 at 3:13am by Linda*

**physics**

If an 75-kg baseball pitcher wearing frictionless roller skates picks up a 0.145-kg baseball and pitches it toward the south at 40 m/s, how fast will he begin moving toward the north?
*Thursday, March 31, 2011 at 10:44pm by olga*

**physics**

Pretty silly question. The official mass of a major league baseball is 0.145 kg. No pitcher has ever thrown a baseball 200 km/h. Not even Sandy Koufax. You can derive a baseballmass from the numbers you were given by equating the kinetic energy of the baseball to the work done...
*Friday, November 27, 2009 at 10:33pm by drwls*

**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 ...
*Tuesday, February 19, 2013 at 11:44pm 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 ...
*Sunday, February 21, 2010 at 7:15pm 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 ...
*Tuesday, February 15, 2011 at 11:02pm by Johnathon*

**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?
*Wednesday, May 9, 2012 at 9:24pm by Sarah*

**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 = ...
*Tuesday, October 5, 2010 at 11:40pm by anna *

**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
*Monday, December 10, 2012 at 10:00am by Darfrell*

**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
*Monday, March 7, 2011 at 4:48pm by Anonymous*

**physics**

what is the distance between centers of a baseball of mass 0.145 kg and a bowling ball of mass 5.5 kg, such that the gravitational force between them is 1.3 * 10^6N
*Tuesday, October 9, 2012 at 6:20am by nana*

**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) ...
*Wednesday, October 28, 2009 at 4:59pm by sarah*

**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
*Monday, March 7, 2011 at 4:48pm by dina*

**Physics**

A 0.03-kg bullet is fired vertically at 200m/s into a 0.15-kg baseball that is initially at rest. The bullet lodges in the baseball and, after the collision, the baseball/bullet rise to a height of 37m. (a). What was the speed of the baseball/bullet right after the collision...
*Thursday, February 14, 2013 at 1:48am by Annie*

**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?
*Thursday, March 8, 2012 at 4:52pm 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?
*Thursday, March 8, 2012 at 4:52pm by celeste *

**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 ...
*Sunday, October 24, 2010 at 5:07pm by Eden*

**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?
*Monday, January 31, 2011 at 3:00pm 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?
*Sunday, February 24, 2013 at 1:45pm by Anonymous*

**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?
*Sunday, February 23, 2014 at 4:22pm by Jacob Szczepanski*

**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
*Sunday, October 20, 2013 at 7:38pm by anonymous *

**Physics**

I don't see what 1/4 kg of water has to do with a baseball, but you did the problem correctly. The specific heat of a baseball is different from that of water, and its mass is 1/7 kg, so what you have calculated in NOT the velocity needed to raise the baseball 0.2 degrees. It ...
*Monday, February 15, 2010 at 7:26pm by drwls*

**vector physics**

Using the standard orthogonal unit vectors î and ĵ. Momentum of the system: 0.045*9.0 î - 0.145*7 ĵ kg∙m/s Magnitude: √((0.045*9.0)^2 + (0.145*7)^2) kg∙m/s Direction: angle measured off x-axis -arctan((0.145*7)/(0.045*9.0))
*Monday, September 23, 2013 at 12:08am by Graham*

**english**

Are we referring to baseball? He pitched for the Dodgers (for example)? Sra
*Wednesday, July 28, 2010 at 1:36pm by SraJMcGin*

**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 ...
*Thursday, March 11, 2010 at 9:02am by Anonymous*

**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.
*Friday, December 9, 2011 at 8:02am by HELP*

**physic**

a golf ball of mass 0.045 kg is moving in the +x direction with a speed of 9.0 m/s, and a baseball of mass 0.145 kg is moving in the -y direction with a speed of 7.0 m/s. What are the magnitude and direction if the total momentum of the system consisting of the two balls?
*Sunday, September 23, 2012 at 6:05am by jaymark*

**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?
*Friday, October 10, 2008 at 9:51pm by Steve*

**English**

The phrase "pitched for" could have different meanings. The primary one that occurs to me is a baseball term. Don Drysdale pitched for the Los Angeles Dodgers. http://www.answers.com/topic/pitch Scroll down to see other meanings.
*Wednesday, July 28, 2010 at 1:36pm by Writeacher*

**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?
*Tuesday, November 15, 2011 at 5:48pm by Horace*

**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?
*Monday, October 22, 2007 at 9:54pm by Dante*

**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 ...
*Sunday, July 7, 2013 at 3:15pm by Selina*

**Biomechanics**

A pitched ball with a mass of 1 kg reaches a catcher's glove traveling at a velocity of 28 m/s. If the ball is in contact with the catcher's glove for 0.5 s during the catch, how much average force is applied by the glove? 56 A pitched ball with a mass of 1 kg reaches a ...
*Sunday, November 21, 2010 at 1:39pm by MTV*

**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.
*Thursday, January 23, 2014 at 10:07am by Mackenzie*

**Algebra 1-- I do not understand**

To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, where E represents ERA, i represents number of innings pitched, and r represents number of earned runs allowed. Solve the equation for E. What is a pitcher's Era if he allows 5 earned runs ...
*Monday, September 30, 2013 at 9:51pm by Anonymous*

**Physics**

A 0.125-kg baseball is dropped from rest. If the magnitude of the baseball's momentum is 0.750 kg * m/s just before it lands on the ground, from what height was it dropped?
*Tuesday, March 29, 2011 at 7:09pm by Jason*

**math**

25(4)+ 15(3) = 145 100 + 45 = 145 145 = 145 Yes
*Monday, November 4, 2013 at 6:29pm by Kuai*

**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 ...
*Sunday, October 16, 2011 at 8:08pm by Lauren*

**Gen physics**

A 55.0 kg high school baseball pitcher is holding a 149 g baseball as he slides horizontally on a frictionless surface with a velocity of +2.15 m/s, relative to the surface. He then throws the baseball with a velocity of +46.7 m/s relative to the surface. What is the player’s ...
*Tuesday, July 16, 2013 at 4:59pm by No clue on this one*

**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 ...
*Tuesday, October 25, 2011 at 6:33pm by Mariah*

**Physics - Inelastic Collisions**

The speed of a pitched baseball is 46.0m/s. You want to know how fast is your school's star baseball pitcher could throw. You make a pendulum with a rope and a small box lined with a thick layer of soft clay, so that the baseball would stick to the inside of the box. The rope ...
*Monday, September 20, 2010 at 5:54pm by Shaila*

**Physics - Inelastic Collisions**

The speed of a pitched baseball is 46.0m/s. You want to know how fast is your school's star baseball pitcher could throw. You make a pendulum with a rope and a small box lined with a thick layer of soft clay, so that the baseball would stick to the inside of the box. The rope ...
*Wednesday, September 22, 2010 at 3:43am by Shaila*

**math**

In slow- pitch softball the ball is pitched in an underhand motion. A batter in a softball game is pitched a ball that has initial vertical velocity of 35 feet per second. a. Write an equation for the height h (in feet) of the ball as a function of the time t (in seconds) ...
*Thursday, March 21, 2013 at 7:02pm by mo*

**Physics**

An outfielder throws a 0.145 kg baseball to the shortstop with a speed of 30 m/s at an angle of 20 degrees above the horizontal. How far does the ball travel? (Assume the shortstop catches it at about the same height that the outfielder throws it.)
*Thursday, September 27, 2012 at 9:07pm by Nick*

**physics**

A regulation 145 g baseball can be hit at speeds of 100 mph. If a line drive is hit essentially horizontally at this speed and is caught by a 65 kg player who has leapt directly upward into the air, what horizontal speed (in cm/s) does he acquire by catching the ball?
*Wednesday, October 28, 2009 at 6:13pm by Student1*

**Physics**

A 0.026 kg bullet is fired vertically at 205 m/s into a 0.15 kg baseball that is initially at rest. How high does the combined bullet and baseball rise after the collision, assuming the bullet embeds itself in the ball?
*Friday, October 29, 2010 at 6:37am by Abdullah*

**Math**

A baseball pitcher has pitched a total of 25 innings so far during the season and has allowed 18 runs. At this rate, how many runs, to the nearest hundredth, would he allow in nine innings? This number is called the pitcher’s earned run average, or ERA. b. Randy Johnson of the...
*Monday, October 7, 2013 at 9:30pm by Jamie*

**physics**

A .035-kg bullet is fired vertically at 180 m/s into a .15-kg baseball that is initially at rest. How high does the combined bullet and baseball rise after the collicion, assuming the bullet embeds itself in the ball? Answer in meters.
*Sunday, July 1, 2012 at 2:47pm by Alma*

**math**

So the number has to be a multiple of 5 , between 45 and 200 when divided by 8 there is a remainder of 1 so it could be 49 57 65 73 81 89 97 105... 145 .... 185 when divided by 12 , there is a remainder of 1 so it could be 49 61 73 85 97 109 121 133 145 ... 205 the common ...
*Wednesday, August 22, 2012 at 10:53pm by Reiny*

**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
*Tuesday, January 25, 2011 at 9:07pm by Nathan*

**Physics **

A baseball player uses a pitching machine to help him improve his batting average. He places the 43.4 kg machine on a frozen pond. The machine ﬁres a 0.0546 kg baseball horizontally at a speed of 44.8 m/s. What is the magnitude of the recoil velocity of the machine? ...
*Sunday, December 2, 2012 at 1:53am by Emily*

**physics**

mass * (velocity change) = impulse The velocity changes from +3.8 to -5.2 so the velocity change is 9.0 m/s. (The direction change is important) Mass = 0.7 N-s/9.0 m/s = 0.0778 kg = 77.8 g (The official mass of a Major League baseball is 145 g, so they did a poor job dreaming ...
*Wednesday, July 2, 2008 at 10:13pm by drwls*

**physics**

which one best describes appr. uniform velocity? 1. a hockey puck sldng across the ice 2. a baseball pitched toward a batter 3. the tip of the minute hand on a clock 4. an olympic sprinter running the 100m
*Friday, August 17, 2012 at 2:06pm by mary*

**physicss please help**

Calculate the terminal velocity for a baseball. A baseball's diameter is approximately d = 0.073 m, and its mass is m = 0.146 kg. Express your answer in meters per second and miles per hour. (Assume a drag coefficient of 1 and air density of 1.3 kg/m3.) __ m/s __ mph
*Saturday, February 14, 2009 at 12:42am by kj*

**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?
*Wednesday, March 24, 2010 at 7:41pm 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?
*Wednesday, March 24, 2010 at 11:13pm by Anonymous*

**dog behavior**

A high-pitched voice has a positive connotation for both humans and dogs, while a lower-pitched voice connotes anger, so D is the choice.
*Saturday, July 26, 2008 at 7:23pm by PsyDAG*

**Chemistry**

Calculate the de Broglie wavelength, in nanometers, associated with a 145 {\rm g} baseball traveling at a speed of 162km/h
*Monday, November 26, 2012 at 12:25pm by Chironjit*

**Math**

N '(t) = 2e-0.02t N = (2/-.02) e^-.02t + c N = -100 e^-.02t + c when t=0 , N = 45 45 = -100(1) + c c = 145 N = -100 e^-.02t + 145 testing: if t = 0 N = -100 e^0 +145 = 45 , good if t = 5 N = -100 e^-.1 + 145 = -90.5 + 145 = 54.5 , improving if t = 20 N = 78 , looks logical, ...
*Wednesday, April 9, 2014 at 10:12pm by Reiny*

**Physics - Center of Mass**

m=∫ρ•dx =∫(145+14.2x) •dx = = ∫145•dx+∫14.2•x•dx = =145•x + 14.2x²/2= =145•5 + 14.2•25/2 =902.5 g. Calculate the integral ∫ρ•x•dx = =∫(145+14.2x) •x •dx = = ∫145•x•dx+∫14.2•x²•dx = =145•x²/2 + 14.2x³...
*Saturday, June 16, 2012 at 7:43pm by Elena*

**Physics**

A 1230 kg car drives along a city street at 31.0 miles per hour, and a baseball has a mass of 0.142 kg. What speed must the baseball have if its momentum is to be equal in magnitude to that of the car? Give your result in miles per hour.
*Saturday, November 19, 2011 at 11:34pm by Daniel*

**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?
*Saturday, July 7, 2007 at 8:42am by RICHARD*

**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?
*Tuesday, February 26, 2013 at 5:23pm by RICHARD*

**science**

a baseball is pitched at 60 mph or 88 ft/sec. to a batter standing 60.5 ft away. How long does it take the ball to get to the batter?
*Friday, January 29, 2010 at 7:13pm by Margaret*

**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...
*Thursday, October 20, 2011 at 9:59pm by Ali*

**physics **

As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 its mass is 0.145. A) What is the baseballs acceleration in m/s^2 and in g's? B) What is the size of force acting on it?
*Tuesday, June 21, 2011 at 9:48am by Ralph*

**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
*Saturday, November 30, 2013 at 5:17pm 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
*Sunday, December 1, 2013 at 8:22pm by Angie Need Help ASAP*

**physics**

A fast, measured pitched baseball left the pitcher's hand at a speed of 49.0 m/s. The pitcher was in contact with the ball over a distance of 1.59 m and produced constant acceleration. (a) What acceleration did he give the ball?
*Sunday, September 4, 2011 at 8:29am by Adnane*

**math**

HCF means highest (or greatest) common factor. Numbers that have a multiple of 2175 are 725, 1450, and 2175, and these factors of 725: 5, 25, 29, 145, 435 and 725. The "other number" must be 145 or a multiple of 145. If it were 435, 435/145 = 3 If it were 725, 725/145 = 5 Both...
*Sunday, June 21, 2009 at 4:44am by drwls*

**physics**

A baseball player hits the ball at a speed of 20.1 m/s and an angle of 30 degrees. What is the baseball's horizontal velocity? What is the baseball's vertical velocity? How long does it take the baseball to get 28m in front of home plate?
*Sunday, September 11, 2011 at 4:22pm by brittany*

**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.
*Tuesday, November 27, 2012 at 11:34pm by Anonymous*

**physics**

A baseball pitcher throws a baseball horizontally at a linear speed of 41.3 m/s. Before being caught, the baseball travels a horizontal distance of 15.4 m and rotates through an angle of 52.7 rad. The baseball has a radius of 3.74 cm and is rotating about an axis as it travels...
*Wednesday, April 9, 2014 at 12:28am by Anonymous*

**physics**

A baseball player hits the ball at a speed of 20.1 m/s and an angle of 30 degrees. What is the baseball's horizontal velocity? 1m/s What is the baseball's vertical velocity? 2m/s How long does it take the baseball to get 28m in front of home plate? 3 seconds
*Sunday, September 11, 2011 at 3:32pm by brittany*

**physics**

ok so I really don't get 2d collisions and I thought I knew how to do this one but I have no idea: A 104 kg baseball player jumps up verticlly to catch a baseball of mass .254 kg traveling horizontally with a speed of 28.6 m/s. If the vertical speed of the player is .258 m/s ...
*Sunday, December 16, 2007 at 12:07pm by Ty*

**physics**

ok so I really don't get 2d collisions and I thought I knew how to do this one but I have no idea: A 104 kg baseball player jumps up verticlly to catch a baseball of mass .254 kg traveling horizontally with a speed of 28.6 m/s. If the vertical speed of the player is .258 m/s ...
*Sunday, December 16, 2007 at 12:09pm by Ty*

**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?
*Tuesday, January 22, 2013 at 2:41pm by Dan*

**math**

right now: Morris --> 40/149 = .268456 = .268 Kim------> 37/141 = .262411 = .262 for Kim make a grid with extra hits on top and extra at-bats on the side ........extra hits...... .....0......1......2......3....4 0..37/141 1..37/142 38/142 2..37/143 38/143 39/143 3..37/...
*Monday, January 7, 2008 at 10:03pm by Reiny*

**math**

The horizontal range, R, in feet that a baseball travels is modeled by this equation. The initial velocity, v, is 90 feet a second. The ball is pitched at an angle of è degrees with the horizontal. At what angles will the ball travel 200 feet?
*Friday, October 21, 2011 at 1:17pm by Sarah*

**chemistry**

Check my work. It's late. You want 9900 grams of 14.5 m solution of EtOH. Suppose we wanted to prepare a 14.5 M solution the usual way. We would weigh out 145 moles EtOH and 10,000 g water (10 Kg). (Note that 145 moles/10 kg solvent = 14.5 m.) How much would that SOLUTION ...
*Thursday, February 25, 2010 at 8:03pm by DrBob222*

**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
*Friday, April 5, 2013 at 4:07pm by R*

**3rd Grade Math**

Marlon has 4 baseball cards, Jake has 4 baseball cards, and Sam has 3 baseball cards. Can you write a multiplication sentence to find how many baseball cards they have altogether? Explain.
*Tuesday, February 2, 2010 at 12:16am by Kainalu Mauga*

**Math**

Marlon has 4 baseball cards, Jake has 4 baseball cards and Sam has 3 baseball cards. Can you write a multiplication sentence to find how many baseball cards they have altogether? Explain.
*Tuesday, November 12, 2013 at 4:51pm by Tammy*

**math**

how would I write 145% as a fraction? it would be 145/1000 could you by any chance help me with my question it is between luke and dogauls question thanks Julie is incorrect 145/100 reduce to 29/20
*Thursday, May 31, 2007 at 8:32pm by Amber*

**physics**

a .300 kg baseball is thrown at a speed of 6.5m/s. the batter hits the ball and it flies into the outfield at a speed of 19.2 m/s. How much work is done into hitting the baseball
*Sunday, January 22, 2012 at 6:26pm by jay*

**trig**

tangent = opposite / adjacent tan 24.8 ° = x / 145 x = 145 * tan 24.8 ° x = 145 * 0.462065 x = 66.9994 x = aprox. 67
*Tuesday, February 14, 2012 at 8:09am by Anonymous*

**math**

145.623 to nearest tenth = 145.6 145.653 to nearest tenth = 145.7
*Tuesday, October 19, 2010 at 3:12pm by PsyDAG*

**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?
*Saturday, March 17, 2012 at 5:03pm by opp*

**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?
*Tuesday, October 18, 2011 at 1:28pm by Yuki*

**college mathematics**

in exercises 35-40 write the statement in symbolic form let p: The tent is pitched q: The bonfire is burning # 38 The bonfire is not burning if and only if the tent is not pitched
*Thursday, November 24, 2011 at 5:11pm by miss c*

**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)
*Friday, September 6, 2013 at 12:17pm by Anonymous*

**Physics**

A baseball player throws a baseball up at 24.3 m/s. How long must he wait before he can catch the baseball on its way down?
*Thursday, November 15, 2012 at 8:28pm by Chris*

**physics**

A baseball pitcher can throw a baseball at a speed of 42 m/s. If the mass of the ball is 0.12 kg and the pitcher has it in his hand over a distance of 1.9 m, what is the average force exerted by the pitcher on the ball?
*Wednesday, March 18, 2009 at 3:33am by cbrown*

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