Linear Momentum

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape
• mass and speed
• mass and veloctiy
• mass and energy

What is the momentum of a charging rhino?

• 2 × 10² kg⋅m/s
• 3 × 10² kg⋅m/s
• 2 × 10⁴ kg⋅m/s
• 3 × 10⁴ kg⋅m/s

What are the units of momentum?

• kg
• m/s
• kg⋅m/s
• N

The momentum of object A is 8 kg⋅m/s. What is the momentum of object B?

• 4 kg⋅m/s
• 8 kg⋅m/s
• 16 kg⋅m/s
• 32 kg⋅m/s

Which of the following correctly defines impulse?

• change of momentum
• force over time
• magnitude of impact
• all of these are correct

This picture is an example of ____________

• Elastic Collision
• Inelastic collision

The law of conservation of momentum states that, 

• p before is less than p after
• p before is the same as p after
• p before is more than p after

A 3,000 kg truck moving at +10 m/s hits a 1,000 kg parked car which moves off at +15 m/s. What is the velocity of the truck?

• 10 m/s
• 0 m/s
• 5 m/s
• 2 m/s

What makes it possible to determine the motion of objects before or after colliding?

• Conservation of Energy
• Conservation of Strength
• Conservation of Momentum
• Conservation of Homework