# Shared Flashcard Set

## Details

Physics Semester Review ch 6
Semester Review
13
Physics
01/08/2012

Term
 Momentum
Definition
 A vector quantity defined as the product of an object's mass and velocity.
Term
 Formula for momentum
Definition
 mass x velocity
Term
 Impulse
Definition
 For a constant external force, the product of the force and the time over which it acts on an object.
Term
 Impulse-momentum theorem
Definition
 Force x time interval = change in momentum
Term
 Conservation of Momentum
Definition
 Total Initial momentum= total final momentum
Term
 Perfectly Inelastic Collision
Definition
 A collision in which 2 objects stick together and move with a common velocity after colliding.
Term
 Formula for a perfectly inelastic collision
Definition
 initial momentum= (m1+m2)vf
Term
 Elastic Collision
Definition
 A collision in which the total momentum and the total kinetic energy remain constant.
Term
 What type of collisions are most?
Definition
 Neither elastic nor perfectly inelastic.
Term
 Kinetic energy is not constant in ...
Definition
 inelastic collisions
Term
 Kinetic energy is constant in a...
Definition
 elastic collision
Term