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Question

What is the angle between instantaneous displacement and acceleration during the retarded motion?

A

Z e r o

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B

π

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C

\frac{π}{2}

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D

\frac{π}{4}

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Solution

The correct option is D $π$
During retardation, acceleration is opposite to motion's direction.
so angle is $180^{o}$ or $π$ radians.
so, (B) option is correct.

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