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Momentum and Impulse
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Gravity
Terms in this set (10)
Law of Conservation of Momentum
the net momentum of a system is constant in the absence of an external force
Momentum
how hard something is to stop; the vector product of mass and velocity.
Inelastic Collision
A collision in which kinetic energy is lost and the objects combine or stick to each other
Elastic Collision
a collision in which kinetic energy is conserved and the objects bounce off each other
Impulse
FΔt; a net external force causes a change of momentum
I = Ft
formula for Impulse
p = mv
formula for momentum
pf - pi
formula to find a change in momentum
m1v1 + m2v2 = m1v1' + m2v2'
formula for elastic collisions
m1v1 + m2v2 = (m1 + m2)vf'
formula for inelastic collisions
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