Momentum and Collisions Review

A bat hits a baseball in the ideal physics world. The total momentum _____ after the collision.

• increased

• decreases

• remains constant

• stays at zero

Tags

NGSS.HS-PS2-2

A bat hits a baseball in the real physical world. The total momentum _____ after the collision.

• increased

• decreases

• remains constant

• stays at zero

Tags

NGSS.HS-PS2-2

A bat hits a baseball in the real physical world. The total momentum decreases during the collision because _____.

• mechanical energy turns into sound energy

• mechanical energy turns into heat energy

• mechanical energy turns into both heat energy and sound energy

• none of the above

Tags

NGSS.HS-PS3-4

A physics student is sitting at rest in a chair. He then gets up from his chair. Identify the type of collision.

• explosion

• elastic

• perfectly inelastic

A 60 kg physics student sits in a 5 kg chair. He then stands up at a speed of 2 m/s. Which object has the larger mass? Assume this occurs in the ideal physics world.

• the student

• the chair

• neither, they are equal

• neither, they are equal and opposite

A 60 kg physics student sits in a 5 kg chair. He then stands up at a speed of 2 m/s. Which object has the larger initial speed? Assume this occurs in the ideal physics world.

• the student

• the chair

• neither, they are equal

• neither, they are equal and opposite

A 60 kg physics student sits in a 5 kg chair. He then stands up at a speed of 2 m/s. Which object has the larger final speed? Assume this occurs in the ideal physics world.

• the student

• the chair

• neither, they are equal

• neither, they are equal and opposite

Tags

NGSS.HS-PS2-2

A 60 kg physics student sits in a 5 kg chair. He then stands up at a speed of 2 m/s. Assume this occurs in the ideal physics world.

The italicized statement The total momentum of the system after the student stands up is zero is _____.

• true

• false

Tags

NGSS.HS-PS2-2

A 60 kg physics student sits in a 5 kg chair. He then stands up at a speed of 2 m/s. The momentum of the student after the collision is _____ the momentum of the chair after the collision. Assume this occurs in the ideal physics world.

• greater than

• less than

• equal to

• equal but opposite to

Tags

NGSS.HS-PS2-2

Harrison Butker, the kicker for the Kansas City Chiefs, kicks a football. Identify the type of collision.

• explosion

• elastic

• perfectly inelastic

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1