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Chapter 7: Momentum Questions
Chapter 7 Momentum Questions
15
Physics
11th Grade
12/21/2011

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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
two
combining
Term
mTvT = m1v1 + m2v2 This equation describes an....
Definition
Inelastic explosion
Term
mTvT = m1v1 + m2v2 This equation refers to ___________ objects _____________
Definition
Two
separating
Term
1. m1v1 + m2m2 = m1v3 + m2v4
2. m1v1 + m2v2 = mTvT
3. mTvT = m1v1 + m2v2
These equations summarize which law?
Definition
Law of Conservation of Momentum
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