Collision and conservation of momentum

Collision and conservation of momentum

8th Grade

9 Qs

quiz-placeholder

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Collision and conservation of momentum

Collision and conservation of momentum

Assessment

Quiz

Physics

8th Grade

Hard

Created by

Patti Lindstrom

Used 16+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

a ______________- occurs when two objects hit each other

momentum

velocity

collision

vector

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Which describes an elastic collision. check all that apply

an egg smashes on the ground

two marbles bounce off one another

bumper cars bounce off each other at the park

two trains collide and couple (attach)

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

an inelastic collision involves objects sticking together or

bouncing off one another

changing shape

rolling away

total kinetic energy remaining the same

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A 2.5 kg bouncy ball is dropped and hits the floor with a velocity of -6m/s. It bounces back up with a velocity of +6m/s. What is the change in momentum of this ball

+15 kg x m/s

-15 kg x m/s

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which formula represents an inelastic collision?

(m1v1) + (m2v2) = (m1 + m2) v3

(m1v1) + (m2v2) = (m1v3) = (m2v4)

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the momentum of a 75 kg fullback carrying a football at a velocity of 5m/s?

375 kg x m/s

15 kg x m/s

75 kg x m/s

25 kg x m/s

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Mrs. L, a famous rodeo bull rider at 57 kg, is thrown from a bull. the 600 kg bull chases after her at 10 m/s. While running away at 2.5 m/s, Mrs. L jumps on the back of the bull to avoid being killed! How fast does the bull run with Mrs. L on its back!

10 kg x m/s

9.3 kg x m/s

8.4 kg x m/s

6.2 kg x m/s

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