Momentum and Impulse Review - AP Physics 1

A 2 kg cart is traveling at 4 m/s. It hits and sticks to a 6 kg cart that was originally at rest. What is the new speed of the two-cart system?

• 4 m/s

• 2 m/s

• 1 m/s

• 0 m/s

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NGSS.HS-PS2-2

A 2 kg cart is traveling at 4 m/s. It hits and sticks to a 6 kg cart that was originally at rest. What kind of collision is this?

• Elastic collision

• Partially inelastic collision

• Perfectly inelastic collision

Tags

NGSS.HS-PS2-2

A molecule of mass m bounces off molecule of mass 1.5m. If no kinetic energy was lost in this collision, what kind of collision is this?

• Elastic

• Inelastic

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NGSS.HS-PS2-2

NGSS.HS-PS3-1

A big heavy elephant and a little chicken are standing on frictionless ice. The chicken pushes off the elephant. Which experiences more force from the push?

• Chicken

• Elephant

• Neither, it's the same

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NGSS.HS-PS2-1

A big heavy elephant and a little chicken are standing on frictionless ice. The chicken pushes off the elephant. Which experiences more impulse from the push?

• Chicken

• Elephant

• Neither, it's the same

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

A big heavy elephant and a little chicken are standing on frictionless ice. The chicken pushes off the elephant. Which experiences more change in velocity from the push?

• Chicken

• Elephant

• Neither, it's the same

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

I catch a dodgeball. My friend is hit with a similar dodgeball; the dodgeball bounces off her face and then travels backwards. Which of us likely experienced more impulse?

• Me, who caught it

• My friend, whom it bounced off

• Neither, it was the same

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NGSS.HS-PS2-3

Why is it good to bend your knees when you land?

• More time, less force

• More time, more force

• More time, less impulse

• More time, more impulse

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NGSS.HS-PS2-1

NGSS.HS-PS2-3

True or false: if two objects bounce off each other, they must have experienced an elastic collision.

• True

• False

Tags

NGSS.HS-PS2-2

Two identical astronauts are holding hands and drifting through space at velocity v. They then push off each other such that one astronaut comes to a complete halt. What is the velocity of center of mass after the push?

• 2v

• v

• v/2

• It cannot be determined

Tags

NGSS.HS-PS2-2