A man holds an umbrella at 30 with the vertical to keep himself dry He then runs at a speed of 10 ms and finds the rain drops to

Question

A man holds an umbrella at 30 with the vertical to keep himself dry He then runs at a speed of 10 ms and finds the rain drops to be hitting vertically Speed of the rain drops w r t the running man and w r t earth are 20ms 10ms 1 10ms 20 3ms 1

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