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Collisions

Last updated almost 5 years ago

6 questions

10

20

20

10

20

20

Question 1

1.

INELASTIC COLLISION - Guided Practice - We will work on this problem together and you will show all work.

A 2.0 kg ball traveling east at +4.o m/s collides head on with a 1.0 kg ball traveling west at -8.0 m/s. After the collision, the two balls stick together. What is the final velocity of the two balls stuck together after the collision?

Question 2

2.

ON YOUR OWN: Draw pictures and show all work to receive credit.

The diagram below shows a 4.0 kg cart moving to the right and a 6.0 kg cart moving to the left on a horizontal frictionless surface. When the two carts collide they lock together. What is the velocity of the two carts locked together after the collision?

Question 3

3.

ON YOUR OWN: Draw pictures and show all work to receive credit.

A 20 kg cart traveling east with a velocity of +6 m/s collides with a 30 kg cart traveling west. If both carts stick together and come to rest after the collision, what was the velocity of the 30 kg cart before the collision?

Question 4

4.

ELASTIC COLLISION - Guided Practice - We will work on this problem together and you will show all work.

A toy truck, with a mass of 15.0 kg travels along a level table top at +1.0 m/s. A miniature car. with a mass of 5.0 kg, speeds headlong toward the toy truck at -0.75 m/s. Immediately after the collision, the 15.0 kg toy truck continues in its original direction at +0.13 m/s. What is the velocity of the 5.0 kg miniature car after the collision?

Question 5

5.

ON YOUR OWN: Draw pictures and show all work to receive credit.

A plastic ball with a mass of 200 kg moves with a velocity of +30 m/s. It collides with a second plastic ball of mass 100 kg moving in the same direction at +10 m/s. After the collision, the 100 kg ball has a velocity of +26 m/s in the same direction. What is the new velocity of the 200 kg ball?

Question 6

6.

ON YOUR OWN: Draw pictures and show all work to receive credit.

A 2000 kg car traveling at 20 m/s collides with a 1000 kg car at rest at a stop sign. If the 2000 kg car has a velocity of 6.67 m/s after the collision, find the velocity of the 1000 kg car after the collision.