1A 95 g projectile is launched at a speed of 22 m/s. It strikes a 1.7 kg stationary ball of clay,and becomes embedded in the clay. How fast does the combined projectile-clay unit travelimmediately after the collision?2Two train cars are about to link together. Car A has a mass of 76, 000 kg, and is travelingnorth at a speed of 0.55 m/s. Car B has a mass of 33, 000 kg, and is traveling south at aspeed of $1.9$` m/s. After they connect, what will be the velocity of the combined unit?Kayla and Jasmine are sledding down a hill. Kayla, who has a mass of 34 kg and a velocityof 7.9 m/s in the positive direction, is directly behind Jasmine, who has a mass of 27 kgand a velocity of 5.4 m/s in the same direction. When Kayla collides with Jasmine, Kayla'svelocity drops to 4.8 m/s. What is Jasmine's velocity immediately after the collision?4Jamison is playing pool. He strikes a 170 gram cue ball so that it moves at a velocity of 5.9m/s in the positive x-direction. The cue ball, in turn, strikes a stationary 160 gramnumbered ball so that it travels with a velocity of 5.4 m/s in the positive x-direction. Whatis the velocity of the cue ball immediately after the collision?Two shipping packages are sliding down a smooth table, in the positive direction. PackageA has a mass of 12 kg, and a velocity of 6 m/s. Package B has a mass of 8 kg, and a velocityof 10 m/s. If the packages were to collide, which of the following sets of velocities wouldconserve momentum?Two people are running south. The first person has a mass of 66 kg, and is running at aspeed of 5.1 m/s. The second person has a mass of 74 kg, and is running at a speed of 4.7m/s. If these two people were to collide, what would their combined momentum be afterthe collision?

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1 A 95 g projectile is launched at a speed of 22 m/s. It strikes a 1.7 kg stationary ball of clay, and becomes embedded in the clay. How fast does the combined projectile-clay unit travel immediately after the collision?

1 A 95 g projectile is launched at a speed of 22 m/s. It strikes a 1.7 kg stationary ball of clay, and becomes embedded in the clay. How fast does the combined projectile-clay unit travel immediately after the collision?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum, Impulse, And Collisions

Section: Chapter Questions

Problem 45P: A tennis ball of mass 57.0 g is held just above a basketball of mass 590 g. With their centers...

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A tennis ball of mass 57.0 g is held just above a basketball of mass 590 g. With their centers vertically aligned, both balls are released from rest at the same time, falling through a distance of 1.20 m, as shown in Figure P6.45. (a) Find the magnitude of the basketballs velocity the instant before the basketball reaches the ground. (b) Assume that an elastic collision with the ground instantaneously reverses the velocity of the basketball so that it collides with the tennis ball just above it. To what height does the tennis ball rebound? Figure P6.45
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A 65.0-kg basketball player jumps vertically and leaves the floor with a velocity of 1.80 m/s upward, (a) What impulse does the player experience? (b) What force does the floor exert on the player before the jump? (c) What is the total average force exerted by the floor on the player if the player is in contact with the floor for 0.450 s during the jump?
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