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Non Uniform Motion & Avg Velocity

If Ram takes ...

Question

If Ram takes 4 seconds by path 1 and Shyam takes 5 seconds by the path 2 to go from P to Q, find the average velocity of Shyam?

A

25 m/s

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B

20 m/s

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C

10 m/s

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D

40 m/s

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Solution

The correct option is B 20 m/s
Displacement $S = d i a m e t e r = 100 m$
Time taken $t = 5 s$
Average velocity $V_{a v g} = \frac{D i s p l a c e m e n t}{T i m e t a k e n} = \frac{100}{5} = 20 m / s$

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