momentum and collisions

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

Two carts collide. They stick together and continue moving. Is momentum conserved in this interaction?

• Yes

• No

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

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

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

If two objects have the same mass, then the faster moving object has ____________ momentum.

• more 
• less
• the same

Jorge noticed a collision outside the coffee shop where two cars collided and stuck together.  What type of collision did he observe?

• Elastic
• Inelastic
• Completely inelastic
• none

The Law of Conservation of Momentum states that the amount of momentum in a system is ___________________ before and after a collision.

• greater

• decreased

• the same

• unknown

What type of respiratory protection should be used when spraying paint?

• Particulate Mask
• Supplied Air Respirator 

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Determine the momentum of 1000-kg car moving southward at 20 m/s......... 

• 20000 N
• 20000 Joules
• 20000 Kg * m/s south
• 10000 kg * m/s south