Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A man is coming down an incline of angle 30 degree . When he walks with speed 2 sqrt3 m/s he has to keep his umbrella vertical to protect hismself from rain. The actual speed of rain is 5m/s . At what angle with vertical should he keep his umbrella when he is at rest so that he does not get drenched ?

A man is coming down an incline of angle 30 degree . When he walks with speed 2 sqrt3 m/s he has to keep his umbrella vertical to protect hismself from rain. The actual speed of rain is 5m/s . At what angle with vertical should he keep his umbrella when he is at rest so that he does not get drenched ?

A man moving with 5ms ^ −1 observes rain falling vertically at the rate of 10ms^ −1 . Find the speed and direction of the rain with respect to ground.