In an elastic collision, the total kinetic energy
Correct answer: D. Before and after collision remains the same
- A. Dissipates after collision
- B. Increases after the collision
- C. Reduces after the collision
- D. Before and after collision remains the same
Explanation
In an elastic collision, the total kinetic energy before the collision is equal to the total kinetic energy after the collision, meaning that kinetic energy is conserved throughout the process.
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About Force and Motion
Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.
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