Q. The unit of coefficient of restitution is

पुनर्स्थापन के गुणांक की इकाई है

A
m/s
एमएस
B
N
एन
C
Dimensionless
आयामरहित
D
J
जे

Explanation

The coefficient of restitution (e) is the ratio of two velocities (relative speed after vs. before collision).
Since it's a ratio of similar quantities (m/s ÷ m/s), it is dimensionless and has no units.

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