Impulse and Momentum

The units for momentum are

• kg
• m/s
• kg-m/s
• kg/m/s

The formula for momentum is

• mass divided by velocity
• mass multiplied by velocity
• velocity divided by mass
• Force times acceleration

The formula for Impulse is 

• mass multiplied by time
• mass multiplied by time
• Force multiplied bymass
• Force multiplied by time

The difference between a car hitting a wall vs. a car hitting a hay stack is

• the Impulse on the car hitting the wall is greater
• the change in momentum of the car hitting the wall is greater
• the force on the car hitting the hay stack is greater
• the collision time of the car hitting the hay stack is greater

Tags

NGSS.HS-PS2-2

The higher the coefficient of restitution,

• the more the object bounces
• the less the object bounces

The law of conservation of momentum states that, 

• p before is less than p after
• p before is the same as p after
• p before is more than p after

If the total momentum of a cannon-cannonball system is zero before firing, then after the ball is fired, the total momentum of the system should be

• greater than zero
• equal to zero
• less than zero

Energy is lost during this type of collision

• elastic
• inelastic
• energy is lost in both types of collisions

Momentum is conserved in this type of collision

• elastic
• inelastic
• momentum is conserved in both types of collisions

In this type of collision, objects tend to "stick" together.

• elastic
• inelastic 
• They "stick" together in both types of collisions