Momentum Review

An object with a mass of 2000 kg at rest has what momentum?

• 2000 kg m/sec

• 0 kg m/sec

• 2000 kg

• 2000 m/sec

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NGSS.HS-PS2-2

What is the unit for momentum?

• m/sec

• kg/sec

• kg/m

• kg m/sec

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NGSS.HS-PS2-2

Two cars collide in a car crash. During the crash the cars bumpers became dented and some thermal energy was given off in the crash. Was momentum conserved in the crash?

• No

• Yes

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NGSS.HS-PS2-2

2 balls collide and bounce off of each other. During the collision total momentum remained constant and total kinetic energy remained constant. What type of collision is this?

• Inelastic Collision

• Elastic Collision

• Perfectly Inelastic Collision

• No collision occurred

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NGSS.HS-PS2-2

A piece of silly putty is dropped onto a skateboard as it rolls by. The putty sticks to the skateboard and moves the direction the board is moving. What type of collision is this?

• Inelastic collision

• Elastic Collision

• Perfectly Inelastic collision

• No collision

Tags

NGSS.HS-PS2-2

If there is a perfectly inelastic collision, which of the following must be true?

• The total momentum of the system is 0

• The total kinetic energy of the system is conserved

• The objects stick together after colliding

• The total momentum of the system is not conserved

Tags

NGSS.HS-PS2-2

Collisions can be ____________or ___________.

• fast or slow

• far or near

• elastic or inelastic

• none of the above

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NGSS.HS-PS2-2

Collisions where objects BOUNCE apart.

• inelastic collisions

• elastic collisions

• explosions

• none of these

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NGSS.HS-PS2-2

A 5.2 kg eagle dives into the water at a speed of 35 m/s. What is the eagle's momentum?

• 182 kg·ms

• 170 kg·ms

• 195 kg·ms

• 160 kg·ms

Tags

NGSS.HS-PS2-2

Find the mass of a football player running with a momentum of 815 kg·ms and a velocity of 5.8 m/s.

• 140.5 kg

• 126.8 kg

• 152.3 kg

• 135.0 kg

Tags

NGSS.HS-PS2-2