Rain is falling with speed $$122$$ $$m/s$$ at an angle of $$45$$° with vertical line. A man in a glider going at a speed of u at angle of $$37$$° with horizontal with respect to ground. Find the speed (in$$ $$n/s) of glider so that rain appears to him falling vertically. Consider motion of glider and rain drops in same vertical plane.

Question

Rain is falling with speed $$122$$ $$m/s$$ at an angle of $$45$$° with vertical line. A man in a glider going at a speed of u at angle of $$37$$° with horizontal with respect to ground. Find the speed (in$$ $$n/s) of glider so that rain appears to him falling vertically. Consider motion of glider and rain drops in same vertical plane.

Infinity Learn · Accepted Answer

Horizontal component of velocity of glider must be equal to horizontal component of velocity of rain.$$ucos37$$° $$=12$$ $$=$$ v $$=$$ $$15m/s$$

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