Physics, Tuesday Bell Ringer, 12.5.17

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

• size and shape
• mass and speed
• mass and velocity
• mass and energy

Tags

NGSS.HS-PS2-2

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• car
• bike
• they are equal
• cannot determine using the info provided

Tags

NGSS.HS-PS2-2

A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?

• 22 m/s
• .2 m/s
• 5.0 m/s
• 20 m/s

Tags

NGSS.HS-PS2-2

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

Tags

NGSS.HS-PS2-2

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

Tags

NGSS.HS-PS2-2

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum
• total speed
• total Velocity
• Energy

Tags

NGSS.HS-PS2-2

How can a tennis ball and a bowling ball have the same momentum?

• have the same speed
• have different speeds
• one is moving backwards
• they can't

Tags

NGSS.HS-PS2-2

A big fish swims upon and swallows a small fish at rest. After lunch, the big fish has less

• momentum
• velocity
• mass

Tags

NGSS.HS-PS2-2

When two objects collide, the P_before is ____________ the P_after.

• more than 
• less than 
• equal to
• unrelated to

Tags

NGSS.HS-PS2-2

Which of the following has more momentum? 

• a small truck traveling at 40mph
• a large truck traveling at 40mph
• more information is needed

Tags

NGSS.HS-PS2-2