Which of the following is an inelastic collision?

Question

A baseball bat hitting a ball
A marble colliding with another marble
A mosquito landing on someone's arm
A hockey puck colliding with the net

Answer 1

An inelastic collision occurs when the kinetic energy is not conserved during the collision, meaning that some energy is lost. From the options provided, the only example of an inelastic collision is "A hockey puck colliding with the net."