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Velocity

A particle mo...

Question

A particle moves along a semicircle of radius 10 m in 5 seconds. The average velocity of the particle is

A

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B

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C

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D

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Solution

The correct option is D

$v = \frac{T o t a l d i s p l a c e m e n t}{T o t a l t i m e}$

= $\frac{D i a m e t e r o f c i r c l e}{5}$

= $\frac{2 \times 10}{5}$

= $4$ m/s

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