# Shared Flashcard Set

## Details

Chapter 7: Momentum Questions
Chapter 7 Momentum Questions
15
Physics
12/21/2011

Term
 Impulse
Definition
 F∆t
Term
 Momentum
Definition
 p = mv
Term
 Elastic collision
Definition
 The objects look the same after the collision as before
Term
 Inelastic collision
Definition
 The objects look different after the collision than before. The collision can also generate heat.
Term
 In the equation F∆t what is F called?
Definition
 Impact force
Term
 F∆t = m∆v What is the left hand side of this equation called?
Definition
 Impulse
Term
 Does Impulse equal momentum?
Definition
 no, impulse equals change in momentum
Term
 F∆t = m∆v This equation refers to how many objects?
Definition
 One object
Term
 m1v1 + m2m2 = m1v3 + m2v4 This equation describes an....collision
Definition
 Elastic collision
Term
 m1v1 + m2m2 = m1v3 + m2v4 This equation refers to ___________ objects?
Definition
 two
Term
 m1v1 + m2v2 = mTvT This equation describes an....collision
Definition
 Inelastic collision
Term
 m1v1 + m2v2 = mTvT This equation refers to __________ objects, _____________?
Definition
 twocombining
Term
 mTvT = m1v1 + m2v2 This equation describes an....
Definition
 Inelastic explosion
Term
 mTvT = m1v1 + m2v2 This equation refers to ___________ objects _____________
Definition
 Twoseparating
Term
 1. m1v1 + m2m2 = m1v3 + m2v42. m1v1 + m2v2 = mTvT3. mTvT = m1v1 + m2v2These equations summarize which law?
Definition
 Law of Conservation of Momentum
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