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November 21, 2014

Search: A 0.500 kg ice puck, moving east with a speed of 4.60 m/s, has a head-on collision with a 0.900 kg puck initially at rest

Number of results: 37,471

physics
Calculate the magnitude of the linear momentum for the following cases. (a) a proton with mass 1.67 10-27 kg, moving with a speed of 4.00 106 m/s (b) a 16.5 g bullet moving with a speed of 270 m/s (c) a 70.5 kg sprinter running with a speed of 12.5 m/s (d) the Earth (mass = 5....
July 7, 2008 by Elisa

science
h t t p : //tinypic. com /r/29za2co/3 In the diagram on the link,what numberof paramecium best represents the carrying capacity of the environmentfor the population shown? a. 200 b. 500 c. 600 d. 900 e. 1000 Is it 900?
August 30, 2009 by maggie

physics.
1) A racing car has a mass of 1525 kg. What is its kinetic energy if it has a speed of 35 m/s? * 2-3 Conservation of Momentum 2) A 3.0 kg ball is moving at 3 m/s and strikes a 1.5 kg ball moving at -2 m/s. After the collision, the 1.5 kg ball moves to the right at 2 m/s. What ...
March 18, 2013 by Isis

physics
Two billiard balls of equal mass move at right angles and meet at the origin of an xy coordinate system. Ball A is moving upward along the y axis at v_A = 2.0m/s , and ball B is moving to the right along the x axis with speed v_B = 5.0m/s . After the collision, assumed elastic...
November 28, 2012 by nammilee

Physics
A 4.90-kg ball, moving to the right at a velocity of +2.50 m/s on a frictionless table, collides head-on with a stationary 8.00-kg ball. Find the final velocities of the balls if the collision meet the following conditions. (a) elastic 4.9-kg ball = 8-kg ball = (b) completely ...
January 13, 2013 by Miranda

physics
A 1.0 kg puck sliding at 15 m/s along some horizontal frictionless ice strikes and compresses a horizontal spring attached to one end of the ice rink. If the spring has a constant of 35 N/m, what is the maximum compression of the spring?
June 4, 2014 by grey

physics
A cart of mass 340 g moving on a frictionless linear air track at an initial speed of 1.2 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision the first cart continues in its original direction at .66m/s. a) what is the mass...
March 3, 2007 by Chris

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

economics
First,label the following scenarios as to whether they would create a producer or consumer surplus. Then, after you have labeled each scenario, calculate the ensuing surplus. Nicole has in her possession a hockey puck from the 2010 Winter Olympic Games and sells it on eBay. ...
October 10, 2014 by marg

Physics
A .45 kg shuffleboard puck is given an initial velocity down the playing surface of 4.5 m/2. If the coefficient of friction between the puck and the surface is .2, how far will the puck slide before coming to rest?
October 5, 2011 by anonymous

PHYSICS
2 pool balls of equal mass experience a perfectly elastic head on collision. 1 ball is traveling at 2m/s and the other at 3m/s in the opposite direction.What is thier speed just after impact? I know the balls swap speed and change direction but can't find the correct formula ...
March 23, 2011 by mark

Physics
A 0.45kg shuffleboard puck is given an initial velocity down the playing surface of 4.5 m/s. If the coefficient of friction between the puck and the surface is 0.20, how far will the puck slide before coming to rest?
October 8, 2011 by anonymous

college physics
A 2000kg van and a 1500 kg car both travelling at 40ms^-1 in opposite directions collide head on and lock together. what are their speed and direction immediately after the collision?
September 7, 2012 by Mariam

science
A 2.1-kg brick is placed gently upon a 2.9-kg cart originally moving with a speed of 26 cm/s. Determine the post-collision speed of the combination of brick and cart.
April 3, 2014 by bizzle

physics
Two cars approach an ice-covered intersection. One car, of mass 1.26 103 kg, is initially traveling north at 10.6 m/s. The other car, of mass 1.66 103 kg, is initially traveling east at 10.6 m/s. The cars reach the intersection at the same instant, collide, and move off ...
March 14, 2014 by Anonymous

physics
A ball moving with a speed of 26 m/s strikes an identical ball that is initially at rest. After the collision, the incoming ball has been deviated by 1 = 50° from its original direction, and the struck ball moves off at 2 = 29° from the original direction (Fig. 9-37). What are...
March 9, 2011 by martin

physics
A softball of mass 0.220 kg that is moving with a speed of 5.5 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Afterward it is found that the incoming ball has bounced backward with a speed of 3.9 m/s.
January 10, 2010 by Anonymous

Physics - Momentum
A ball of mass m makes a head-on elastic collision with a second ball (at rest) and rebounds with a speed equal to one-third its original speed. What is the mass of the second ball?
December 10, 2009 by DJ

science
A 2 kg object moving with a velocity of +5 m/s collides with a 4 kg object that is initially at rest. After the collision, the 2 kg object moves with a velocity of -1 m/s. (a) Find the velocity of the 4 kg object after the collision. (b) Find the energy lost in the collision. ...
December 8, 2011 by Nane

Physics
A ball of mass m makes a head-on elastic collision with a second ball (at rest) and rebounds with a speed equal to one-fourth its original speed. What is the mass of the second ball?
December 10, 2009 by Eric

PHYSICS
If you hold a coin above your head while in a bus that is not moving, the coin will land at your feet when you drop it. Where will it land if the bus is moving in a straight line at a constand speed? Explain.
November 4, 2010 by Kelsea

physics
A ferry is crossing a river. The ferry is headed due north with a speed of 1.1 m/s relative to the water and the river’s velocity is 4.2 m/s to the east.Find the direction in which the ferry is moving (measured from due east, with coun- terclockwise positive)
October 23, 2012 by dylan

Physics
3. A 0.200 kg air-track glider moving at 1.20 m/s bumps into a 0.600 kg glider at rest. a.) Find the total kinetic energy after collision if the collision is elastic. .144J I got that one. b.) Find the total kinetic energy after collision if the collision is completely ...
February 28, 2012 by Pat

Physical Science-Can someone check my answers?
1) The kinetic energy of an object depends on which of the following? A. the object’s mass and direction B. the object’s speed and mass---------- C. the object’s work and direction D. the object’s speed and work 2) In the following situations, which one does not have kinetic ...
February 18, 2014 by dark1

physics
A 0.201-kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.105 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction. The speed of the 0....
December 18, 2012 by Noah

Physics
A 0.201-kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.105 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction. The speed of the 0....
December 19, 2012 by Noah

physics
A 0.201-kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.105 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction. The speed of the 0....
December 20, 2012 by Anonymous,

Physics -Impulse-
1.)A 0.5 kg hockey puck moving at 35 m/s hits a straw bale, stopping in 1 s. a) What impulse is delivered to the ball? b) What force is exerted on the puck? 2.) A racing car with a mass of 1400 kg hits a slick spot and crashes head-on into a concrete wall at 50 m/s, coming to ...
February 24, 2013 by Isis

physics
A 50g ice cube is added to 110g of water in a 62g aluminum cup. The water and cup initially have a temperature of 23°C. Find the initial temperature of the ice cube such that all of the water is just turned to ice. Use the following specific heats: water = 4186 J/(kg•K), ice...
June 29, 2010 by sandhya

college physics
A 0.240-kg billiard ball that is moving at 3.00 m/s strikes the bumper of a pool table and bounces straight back at 2.40 m/s (80% of its original speed). The collision lasts 0.0150 s. (a) Calculate the average force exerted on the ball by the bumper. (b) How much kinetic ...
March 26, 2014 by Mohanad

Physics -Impulse-
1.)A 0.5 kg hockey puck moving at 35 m/s hits a straw bale, stopping in 1 s. a) What impulse is delivered to the ball? b) What force is exerted on the puck? 2.) A racing car with a mass of 1400 kg hits a slick spot and crashes head-on into a concrete wall at 50 m/s, coming to ...
February 24, 2013 by Isis

physics
An ocean liner experiences broad waves, called swells, with a frequency of one every 20 seconds (0.05 Hz) and a wavelength of 440 feet. Assume the waves are moving due east. If the liner maintains a speed of 15 miles per hour, will it have a smoother trip going east or west? Why?
March 6, 2012 by long

physical science
Which of the following four bodies has the greatest kinetic energy? a. A body of mass 1 kg moving with speed 1000 m/s. b. A body of mass 2 kg moving with speed 50 m/s c. A body of mass 3 kg moving with speed 50 m/s d. A body of mass 50 kg moving with speed 2 m/s e. A body of ...
December 15, 2011 by Fonda

Physics ~please help me!~
1.)A 0.5 kg hockey puck moving at 35 m/s hits a straw bale, stopping in 1 s. a) What impulse is delivered to the ball? b) What force is exerted on the puck? 2.) A racing car with a mass of 1400 kg hits a slick spot and crashes head-on into a concrete wall at 50 m/s, coming to ...
February 25, 2013 by Isis

Physics
When a high speed passenger train travelling at 161km/h rounds a bend,the engineer is shocked to see that a locomtive has improperly entered onto track from a siding and is a distance D=676m ahead.The locomotive is moving at 29km/h. The engineer of the high speed train ...
September 13, 2008 by Waqas

Physics
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2. (a)What angle does the ramp make with respect to the horizontal? (b) If the ramp has a length of 6.40 m, how long does it take the puck to reach the bottom? (c) Now suppose the mass of the...
February 6, 2014 by Ray

physics
A 4.63-g bullet is moving horizontally with a velocity of +349 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The ...
October 15, 2011 by riley

physics
A 4.63-g bullet is moving horizontally with a velocity of +349 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The ...
October 16, 2011 by riley

physics
A 4.15-g bullet is moving horizontally with a velocity of +369 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The ...
November 4, 2011 by Meagan

physics
A 4.15-g bullet is moving horizontally with a velocity of +369 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The ...
November 4, 2011 by Meagan

phisics
A 7.45-g bullet is moving horizontally with a velocity of +348 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The ...
November 4, 2012 by greg

Physics
A 7.45-g bullet is moving horizontally with a velocity of +348 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The ...
November 5, 2012 by greg

physics
A 6.26-g bullet is moving horizontally with a velocity of +344 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The ...
March 27, 2014 by Anonymous

Physics
Two automobiles, each of mass 800kg , are moving at the same speed, 18m/s , when they collide and stick together. At what speed does the wreckage move if one car was driving north and one east.
February 21, 2014 by Ty

Physics
Two automobiles, each of mass 1000kg , are moving at the same speed, 17m/s , when they collide and stick together. At what speed does the wreckage move if one car was driving north and one east?
February 28, 2014 by Anonymous

physics
A jet airliner moving initially at 300 mi/h due east enters a region where the wind is blowing at 100 mi/h in a direction 26.0° north of east. What is the new velocity of the aircraft relative to the ground? in m/h at degrees North of east.
June 2, 2008 by Elisa

science
A boy and his skateboard have a combined mass of 64 kg. If he is moving with a speed of 3.2 m/s, and collides with a stationary skateboarder whose mass (including his skateboard) is 96 kg, with what speed will the two skateboarders move immediately after the collision?
February 9, 2013 by chelsea

physics
EXERCISE 4.9 (a) Suppose a hockey puck slides down a frictionless ramp with an acceleration of 5.00 m/s2. What angle does the ramp make with respect to the horizontal? (b) If the ramp has a length of 6.00 m, how long does it take the puck to reach the bottom? (c) Now suppose ...
November 15, 2012 by hisham

physics
A 25.1 g marble moving to the right at 22.9 cm/s overtakes and collides elastically with a 12.1 g marble moving in the same direction at 11.3 cm/s. After the collision, the 12.1 g marble moves to the right at 25.1 cm/s. Find the velocity of the 25.1 g marble after the collision
February 24, 2011 by bob

Physics
A 4 kg puck can slide with negligible friction over a horizontal surface, taken as the xy plane. ˆ The puck has a velocity of 3i m / s at one instant ti = 0 . Eight seconds later, its velocity is to be ˆˆ 8i+10 j m / s . Find the magnitude and direction of the net force acting...
November 16, 2013 by Maryam

Math
An aeroplane needs to fly due east from city A to city B at a speed of 400km/hr. However a 50km/hr wind blows constantly from the north. In what direction must aeroplane head and at what speed must it travel?
August 27, 2012 by Jeconiah

physics
In a head-on collision, a car stops in 0.24 from a speed of 15 . The driver has a mass of 77 , and is, fortunately, tightly strapped into his seat. What force is applied to the driver by the seatbelt in that fraction of a second?
September 17, 2012 by kisha

Physics
A 2.5 kg block of ice at a temperature of 0C and an initial speed of 5.7 m/s slides across a level floor. If 3.3*10^5 J are required to melt 1.0 kg of ice, how much ice melts, assuming that the initial kinetic energy of the ice block id entirely converted to the ice's internal...
February 20, 2012 by Riley

physics
A 45.00 kg child standing on a frozen pond throws a 0.60 kg stone to the east with a speed of 5.80 m/s. Neglecting friction between child and ice, what is the speed (in m/s) of the child after throwing the stone? I'm kind of confused about the masses..
November 29, 2010 by help

stuck
A 1100 kg car moving south at 16.0 m/s collides with a 2650 kg car moving north. The cars stick together and move as a unit after the collision at a velocity of 5.36 m/s to the north. Find the velocity of the 2650 kg car before the collision.
March 15, 2012 by Anonymous

Momentum
A 1400 kg car moving south at 11.5 m/s collides with a 2800 kg car moving north. The cars stick together and move as a unit after the collision at a velocity of 5.24 m/s to the north. Find the velocity of the 2800 kg car before the collision.
May 16, 2012 by Lui

physcial science
a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds how much force did the puck exert on the hockey stick?
February 6, 2008 by john

physical science
A player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds. How much force did the puck exert on the hockey stick?
February 11, 2008 by angela

physics
a 1500kg car travelling east with a speed of 20m/s collides at an intesection with a 2500kg van travelling south at a speed of 15m/s.The vehicle undergoes a perfectly inelastic collision, and the wreckage slides 6m before coming to rest.Find the magnitude and direction of the ...
November 2, 2014 by takunda

physics
A cue ball initially moving at 2.6 m/s strikes a stationary eight ball of the same size and mass. After the collision, the cue ball’s final speed is 1.3 m/s.Find the cue ball’s angle θ with respect to its original line of motion. Consider this to be an elastic ...
February 9, 2014 by Anonymous

Physics
Problem 1- A 4 kg puck can slide with negligible friction over a horizontal surface, taken as the xy plane. ˆ The puck has a velocity of 3i m / s at one instant ti = 0 . Eight seconds later, its velocity is to be ˆˆ 8i + 10 j m / s . Find the magnitude and direction of the net...
November 18, 2013 by Maryam

physics
A 2.6 kg block of ice at a temperature of 0.0C and an initial speed of 5.3 m/s slides across a level floor. If 3.3 × 105 J are required to melt 1.0 kg of ice, how much ice melts, assuming that the initial kinetic energy of the ice block is entirely converted to the ice’s ...
October 30, 2011 by Anonymous

college physics
Two cars of equal mass are traveling as shown in the figure below just before undergoing a collision. Before the collision, one of the cars has a speed of 19 m/s along +x, and the other has a speed of 31 m/s along +y. The cars lock bumpers and then slide away together after ...
February 24, 2011 by lala

college physics
Two cars of equal mass are traveling as shown in the figure below just before undergoing a collision. Before the collision, one of the cars has a speed of 19 m/s along +x, and the other has a speed of 31 m/s along +y. The cars lock bumpers and then slide away together after ...
February 24, 2011 by lala

physics
A bullet with mass m = 5.21 g is moving horizontally with a speed v=367 m/s when it strikes a block of hardened steel with mass M = 14.8 kg(initially at rest). The bullet bounces o the block in a perfectly elastic collision. (a) What is the speed (m/s) of the block immediately...
December 15, 2011 by Sarah

physics
Energy & Momentum Calculations Assessment Answer the following questions. A 1.0 kg puck sliding at 15 m/s along some horizontal frictionless ice strikes and compresses a horizontal spring attached to one end of the ice rink. If the spring has a constant of 35 N/m, what is the ...
June 8, 2014 by grey

Physics
A solid wood door, 90.0 cm wide by 2.00 m tall has a mass of 35.0 kg. It is open and at rest. A small 500-g ball is thrown perpendicular to the door with a speed of 20.0 m/s and hits the door 60.0 cm from the hinged side. The ball rebounds with a speed of 16.0 m/s along the ...
October 26, 2014 by Anonymous

Physics
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 kg that is traveling horizontally at 10.4 m/s. Olaf's mass is 67.8 kg. If ...
October 24, 2010 by Nikohl

Physics B
A 40-kg block of ice at 0°C is sliding on a horizontal surface. The initial speed of the ice is 7.0 m/s and the final speed is 4.7 m/s. Assume that the part of the block that melts has a very small mass and that all the heat generated by kinetic friction goes into the block of...
January 15, 2009 by Lucy

physics
A 40-kg block of ice at 0°C is sliding on a horizontal surface. The initial speed of the ice is 7.0 m/s and the final speed is 4.7 m/s. Assume that the part of the block that melts has a very small mass and that all the heat generated by kinetic friction goes into the block of...
April 11, 2012 by anthony

physics
a 1.2 kg cart slides eastward down a frictionless ramp from a height of 1.8 m and then onto a horizontal surface where it has a head-on elastic collision with a stationary 2.0 kg cart cushioned by an ideal Hooke's law spring. the maximum compression of the spring during the ...
November 18, 2013 by LENA

Physics
A simple pendulum 1.50 m in length has a 500-g putty ball as an end bob. The pendulum is pulled aside 60° from the vertical and given an initial tangential speed of 1.20 m/s. At the bottom of the arc path, the bob hits and sticks to a 200-g putty ball sitting on a tee. (a) ...
June 20, 2012 by Tracy

Physics
A proton of mass mP and a positively charged nucleus of mass 9mP are widely separated and traveling towards each other at the same speed of 1500 m/s along the same line.  Because they are both positively charged, they repel each other and undergo a soft head-on collision.  ...
October 25, 2012 by AH

Physics
A barge with mass 1.7×105 kg is proceeding down river at 6.1 m/s in heavy fog when it collides broadside with a barge heading directly across the river. The second barge has mass 2.83×105 kg and was moving at 4.2 m/s. Immediately after impact, the second barge finds its course...
November 3, 2009 by Rachel

Accounting
E 5-11 Income (loss) recognition; percentage-of-completion and completed contract methods compared LO4 Brady Construction Company contracted to build an apartment complex for a price of $5,000,000. Construction began in 2006 and was completed in 2008. The following are a ...
October 22, 2008 by Lulit

physics
During the Olympic ice competition, Boris (m = 75 kg) glides at 1.8 m/s to a stationary Juliette (52 kg) and hangs on. How far will the pair slide after the collision if the coefficient of kinetic friction between the ice and their skates is .042?
June 4, 2014 by grey

physics
on a air track, a 400g glider moving to the right at 2.00m/s collides elastically with a 500g glider moving in the opposite direction at 3.00 m/s. Find the velocity of the first glider after the collision Find the velocity of the second glider after the collision
March 19, 2010 by Alana

physics
A block of mass m1 = 2.4 kg initially moving to the right with a speed of 3.3 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 = 4.1 kg initially moving to the left with a speed of 1.5 m/s as shown in figure (a). The spring ...
October 14, 2013 by Leticia

physics
17. A shell having a mass of 25kg is fired horizontally eastward from a cannon with a velcoity of 500m/s. If the mass of the cannon is 1000kg, what is the magnitude and direction of the velocity of recoil? 18. A bomb having a mass of 8kg explodes into two pieces that fly out ...
December 1, 2010 by James Caulfield

Physics
17. A shell having a mass of 25kg is fired horizontally eastward from a cannon with a velcoity of 500m/s. If the mass of the cannon is 1000kg, what is the magnitude and direction of the velocity of recoil? 18. A bomb having a mass of 8kg explodes into two pieces that fly out ...
December 1, 2010 by James Caulfield

Physics
The speed of the head of a redheaded woodpecker reaches 3.4 m/s before impact with the tree. The mass of the head is 0.060 kg and the average force on the head during impact is 5.0 N. a)Find the acceleration of the head (assuming constant acceleration) (b) Find the depth of ...
January 27, 2013 by David

physics
find the frictional force between an air hockey puck and the table, assume u air = 1.8 X 10^-5 kg/ms, the puck is 0.013 above the table, the puck has an area of 25 cm^2
October 19, 2010 by emily

math
Suppose two blocks of ice are heading toward each other. block A has a mass of 4.24 kg and is traveling at 2.24 m/s. Block B has a mass 4.42 kg and is traveling at 2.24 in the opposite direction. After the collision they are traveling in the same speed. what is the speed they ...
November 14, 2010 by Mayte

Physics
Suppose two blocks of ice are heading toward each other. block A has a mass of 4.24 kg and is traveling at 2.24 m/s. Block B has a mass 4.42 kg and is traveling at 2.24 m/s in the opposite direction. After the collision they are traveling in the same speed. what is the speed ...
November 14, 2010 by Mayte

Physics
Suppose two blocks of ice are heading toward each other. block A has a mass of 4.24 kg and is traveling at 2.24 m/s. Block B has a mass 4.42 kg and is traveling at 2.24 m/s in the opposite direction. After the collision they are traveling in the same speed. what is the speed ...
November 14, 2010 by Mayte

Physics
laf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400kg that is traveling horizontally at 11.5m/s . Olaf's mass is 65.2kg. If the...
November 12, 2013 by Ann

physics
A 5.9 g coin sliding to the right at 23.4 cm/s makes an elastic head-on collision with a 17.7 g coin that is initially at rest. After the collision, the 5.9 g coin moves to the left at 11.7 cm/s.Find the amount of kinetic energy transferred to the 17.7 g coin.
March 17, 2013 by wendlen

PLEASE HELP. physics
A .25 kg skeet is fired at an angle of 30 degrees to the horizon with a speed of 30 m/s, When it reaches the maximum height, a 15 g pellet hits it from below. Before the collision, the pellet was traveling vertically upward at a speed of 200 m/s Embedded in the skeet, the two ...
November 21, 2010 by caroline

physics
A 3.35 kg ball moving at 4.20 m/s to the right hits a 2.45 kg ball head-on that is traveling at 3.50 m/s to the left. The second ball ends up going to the right with a velocity of 5.50 m/s. What is the velocity of the first ball after the collision?
December 30, 2010 by Sam

physics
a ball A collides elastically with another ball B initially at rest. A is moving with a velocity of 10m/s at an angle 60' from the line joining the center. select the correct alternative: a)velocity of ball A after collision is 5 m/s b)velocity of ball B after collision is 5&#...
August 23, 2014 by priyanka

physics
An 9.20kg ball, hanging from the ceiling by a light wire 115 long, is struck in an elastic collision by a 1.20kg ball moving horizontally at 6.00m/s just before the collision. Find the tension in the wire just after the collision.
March 14, 2012 by Anonymus

physics
A stationary billiard ball, mass 0.17 kg, is struck by an identical ball moving at 4.8 m/s. After the collision, the second ball moves off at 60° to the left of its original direction. The stationary ball moves off at 30° to the right of the moving ball's original direction. ...
January 24, 2013 by Anonymous

Physics
At time t = 0s, a puck is sliding on a horizontal table with a velocity 3.00 m/s, 65.0 above the +x axis. As the puck slides, a constant acceleration acts on it that was the following components: ax = 0.460m/s2 and ay = 0.980m/s2. what is the velocity of the puck at time t = 1...
February 14, 2008 by Lauren

Physics
Object 1 (mass=5.5 kg) traveling in the +x direction at a speed of 12.40m/s undergoes an inelastic collision with Object 2 (mass=4.80kg) which is at rest. Object two flies off at a speed of 7.80m/s and an angle θ2=32.4 °. It is possible that Object 1 travels back and to ...
February 27, 2012 by Macey

Physics
A 700-kg car stopped at an intersection is rear-ended by a 1710-kg truck moving with a speed of 16.0m/s . 1) If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of the truck. 2)Find the final speed of the car.
October 25, 2013 by Lhaedy

physics
if someone weighs 500 N, how much pressure does she apply when she stands on her head, if the part of her head that is touching the floor has a radius of 2cm?
February 6, 2011 by leean

Physics
The piolt of an airplane wishes to fly due north, but there is a 65-km/h wind blowing toward the east. in what direction should the pilot head her plane if its speed relative to the air is 340 km/h?
May 28, 2014 by Britt

accounting
Question 5: (50 points) E 5-11 Income (loss) recognition; percentage-of-completion and completed contract methods compared LO4 Brady Construction Company contracted to build an apartment complex for a price of $5,000,000. Construction began in 2006 and was completed in 2008. ...
October 8, 2008 by Abeam

physics
A 1700 kg car moving south at 19.5 m/s collides with a 2050 kg car moving north. The cars stick together and move as a unit after the collision at a velocity of 5.16 m/s to the north. Find the velocity of the 2050 kg car before the collision. m/s to the north
November 14, 2013 by Maddie

math
A plane makes an 900-mile flight in 3 1/3 hours against a strong head wind, but returns in 50 minutes less with the wind. What is the plane's speed without the wind?
November 21, 2014 by gisela

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