Unit 5 Quiz Review - Momentum and Collisions

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

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

Tags

NGSS.HS-PS2-2

"The initial momentum of the system is the same as the final momentum of the system, as long as there are no external forces," is the...

• Conservation of Energy

• Conservation of Impulse

• Conservation of Momentum

• Conservation of Gazelles

Tags

NGSS.HS-PS2-2

A(n) _________________ causes and is equal to a change in momentum

• impulse
• force
• joule
• watt

Tags

NGSS.HS-PS2-2

Cart A is pulled with a 2 Newton force for 2 seconds, and Cart B is pulled with a 1 Newton force for 3 seconds.  Which cart experiences the greatest impulse?

• Cart B
• Cart A
• they are the same

Tags

NGSS.HS-PS2-2

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

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

Tags

NGSS.HS-PS2-2

A 40-kilogram mass is moving across a horizontal surface at 5.0 m/s.  What is the magnitude of the net force required to bring the mass to a stop in 8.0 seconds?

• 1 N
• 40 N
• 25 N
• 5 N

Tags

NGSS.HS-PS2-1

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

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

• 25 m/s
• 375 m/s
• 25 kg m/s
• 375 kg m/s

Tags

NGSS.HS-PS2-2

An egg is thrown at a wall and at a bed sheet. The force of impact will be

• Greater against the wall
• Greater against the sheet
• Force is equal

Tags

NGSS.HS-PS2-1