First slide

Types of collision

Question

I. In elastic collision, initial kinetic energy is equal to the final kinetic energy.
II. In elastic collision, kinetic energy during the collision time At is constant.
Which of the following statement{s) is/are correct?

Moderate

A

Only I
B

Only II
C

Both I and II
D

Neither I nor II

Solution

Statement I is correct and Statement II is incorrect and it can be corrected as,
During collision time, some kinetic energy is stored as potential energy in the process of deformation

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