Understanding Elastic Collisions

Understanding Elastic Collisions

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key characteristic of an elastic collision?

Objects stick together after collision

Only momentum is conserved

Both momentum and kinetic energy are conserved

Kinetic energy is not conserved

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an elastic collision, what happens to the momentum of the system?

It is halved

It is doubled

It is conserved

It is lost

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation represents the conservation of momentum in elastic collisions?

m1v1 + m2v2 = m1v1' + m2v2'

m1v1 - m2v2 = m1v1' - m2v2'

m1v1 = m2v2

m1v1' + m2v2' = 0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for kinetic energy?

mv

1/2 mv^2

mgh

F = ma

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In elastic collisions, how is kinetic energy treated?

It is lost

It is conserved

It is transferred to heat

It is converted to potential energy

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the steel discs in the real-life example of elastic collisions?

They stop moving

They break apart

They bounce off each other

They stick together

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is observed when two marbles collide in the example?

They stop moving

They stick together

They bounce off with equal and opposite velocities

They shatter

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