Momentum and Collisions

Front

What is momentum?

A. mass x velocity

B. force x time

C. energy x distance

Back

A. mass x velocity

Front

What is the formula for momentum?

A. f=m x a

B. KE=1/2 mv^2

C. p=mv

Back

C. p = mv

Front

What does the Law of Conservation of Momentum state?

A. force = mass x acceleration

B. momentum before= momentum after

C. energy is destroyed

Back

B. momentum before = momentum after

Front

What is an elastic collision?

A. objects sticks together

B. objects bounce; kinetic energy conserved

C. energy is lost to heat

Back

B. objects bounce; kinetic energy conserved

Front

What is an inelastic collision?

A. objects stick together; kinetic energy not conserved

B. objects bounce off

C. no momentum change

Back

A. objects stick together; kinetic energy not conserved

Front

What is a perfectly inelastic collision?

A. bounce off each other

B. kinetic energy conserved

C. objects stick together after Collision

Back

C. objects stick together after collision

Front

1. Formula for Momentum Changes (elastic or inelastic):

2. A. m1v1+m2v2=m1v1+m2v2

3. B. p=mv

4. C. f=ma

Back

A. m1v1+m2v2=m1v1+m2v2

Front

1. Perfectly Inelastic Collisions Formula:

2. A. F=ma

3. B. vf=m1v1+m2v2/m1+m2

4. C. KE=1/2mv^2

Back

B. vf=m1v1+m2v2/m1+m2

Front

Impulse

A. mass x velocity

B. force x time

C. kinetic energy

Back

B. force x time

Front

Impact:

A. force during a collision

B. change in momentum

C. elastic energy

Back

A. force during a collision