What kind of collision conserves kinetic energy

Asked by maham237 @ 10/01/2021 in Physics viewed by 302 People

If two carts collide, what type of collision will conserve both momentum and kinetic energy?
a. head on

b. perfectly inelastic

c. none

d. perfectly elastic

Answered by maham237 @ 10/01/2021

The appropriate answer is d. perfectly elastic. When a perfectly elastic collision occurs both momentum and kinetic energy are preserved. Momentum is the mass of an object times its velocity while kinetic energy is the energy that a moving object has due to its motion. In an elastic collision kinetic energy would be converted to some other form of energy.

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