MCQ
In an elastic collision of two billiard balls which of the following quantities is not conserved during the short time of collision
- Amomentum
- Btotal mechanical energy
- ✓kinetic energy
- Dnone
✓
Answer
Correct option: C.
kinetic energy
c
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Choose the correct answer from the options given below :
An object may have:
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$iv.$ non-zero acceleration without having varying speed.
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$iii.$ non-zero acceleration without having varying velocity.
$iv.$ non-zero acceleration without having varying speed.