Question

A man wearing a hat of extended length 12 cm is running in rain falling vertically downwards with speed 10 m/s. The maximum speed with which man can run, so that rain drops does not fall on his face (the length of his face below the extended part of the hat is 16 cm) will be

• A. 7.5 m/s
• B. 13.33 m/s
• C. 15 m/s
• D. 2 m/s

Answer 1

The correct option is A 7.5 m/s

V _R/G(X) = 0 V_R/G(Y) = 10 m/s

Let, velocity of man = v