physics 2nd q exam

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Conservation of momentum states that momentum is conserved in a system as long as there are no outside______________affecting the system.

Find the momentum of a lion with a mass of 91kg moving at a velocity of 6.7m/s

In a collision between two objects,

Two balls made of metal collide and move away from each other with the same speed. Identify the type of collision.

Two objects stick together and move away with a single velocity after colliding. Identify the type of collision.

an elephant runs and collides with a tree and stops. the momentum of the elephant

A hotwheel car collides with an identical car that is stationary in an elastic head-on collision. After the collision, which of the following is true of the first car?

the product of the force applied to the object and the time interval is also known as