Momentum Quiz

Momentum is the _______of an object multiplied by its velocity.

• Momentum

• Speed

• Force

• Mass

Tags

NGSS.HS-PS2-2

A 2.0 kg ball is thrown at 2 m/s strikes a 20.0 kg person sitting at rest on a bench. The ball gets stuck in the person's hair. What is the velocity of the person and the ball after the collision?

• 0.12 m/s

• 0.14 m/s

• 0.16 m/s

• 0.18 m/s

A bug is flying through the countryside. The bug flies into a sign with a force of 200 N that takes 0.02 secs to crush it. What is the impulse?

• 10, 000 N*s

• 4 N*s

• 200 N*2

• 0.08 N*s

A 400 Kg truck rushing through the street at 20 m/s crashes into a 50 Kg car making a turn at 2 m/s. The car is bounces off the bottom of truck at 142 m/s, what is the final velocity of the truck?

• 5 m/s

• 1.5 m/s

• 2.5 m/s

• 30 m/s

A boxer throws a 50.0 kg heavy bag at 3 m/s into a 10.0 kg rack at rest. The rack moves at 2 m/s. What is the velocity of the heavy bag?

• 0.8 m/s

• 1.2 m/s

• 1.6 m/s

• 2.6 m/s

A force acted upon an object for 3 s as shown in the graph below.
What is the magnitude of the impulse on the object?

• 3
• 4.5
• 6
• 9

Tags

NGSS.HS-PS2-2

what is the object's velocity for momentum of 6 kg.m/s?

• 2
• 4
• 6
• 8

Tags

NGSS.HS-PS2-2

The graph shows the force on an object of mass M as a function of time. For the time interval 0 to 4 s, the total change in the momentum of the object is

• 40 kg m/s 
• 20 kg m/s
• 0 kg m/s 
• – 20 kg m/s

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

In an elastic collision, ______ is conserved.

• Momentum only

• Kinetic Energy only

• Both momentum and energy

Tags

NGSS.HS-PS2-2

In a perfectly inelastic collision, ______ is conserved. 

• Momentum only
• Kinetic Energy only
• Both momentum and kinetic energy

Tags

NGSS.HS-PS2-2