Conservation of Momentum

Front

The symbol for momentum is ___

Back

p

Front

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

Back

bike

Front

The Law of Conservation of Momentum states:

Back

The total momentum before a collision is equal to the total momentum after a collision.

Front

A 25 kg cart moving at -4 m/s has how much momentum?

Back

-100 kg-m/s

Front

When two objects collide, the P_before is ____________ the P_after.

Back

equal to

Front

Define momentum.

Back

Momentum is the product of an object's mass and its velocity (p = mv).

Front

What is the formula for calculating momentum?

Back

p = mv, where p is momentum, m is mass, and v is velocity.

Front

What happens to momentum in a closed system during a collision?

Back

Momentum is conserved; the total momentum before the collision equals the total momentum after.

Front

If two objects collide and stick together, what type of collision is this?

Back

This is called an inelastic collision.

Front

What is an elastic collision?

Back

An elastic collision is one in which both momentum and kinetic energy are conserved.