1.

A man is travelling at 10.8 kmph in a topless car on a rainy day. He holds an umbrella at an angle of 37^(@) with the vertical to protect himself from the rain. If cos 37^(@)=0.8 the velocity of the rain drops is

Answer»

3 m/s
4 m/s
5 m/s
6 m/s

Answer :B


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