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What makes Inelastic and Elastic collisions different?
An elastic collision conserves Kinetic Energy, while inelastic does not.

Does an Inelastic collision conserve energy?
Only Total energy is conserved, not KE.

What is different about Conservation of Momentum for Elastic and Inelastic collisions?
For Inelastic collisions, the final velocity is the same for both masses. (Stuck together)

What Trig function is used for the x vector component of momentum?
cos

What Trig function is used for the y vector component of momentum?
sin

What variables are used in conservation of momentum, including the vector components?
m, M, Θ_{m}, Θ_{M}, v_{m}, v_{m}’, v_{M}, v_{M}’

m, M, Θ_{m}, Θ_{M}, v_{m}, v_{m}’, v_{M}, v_{M}’
Conservation of Momentum and Conservation of KE (if Elastic Collision).

How do you solve for three variables using Momentum and Kinetic Energy?
Find the vector components, and use sin^{2} + cos^{2} = 1

