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NEET Class neet Answered

rain is falling vertically downward with the speed of 30 m/s. A boy is standing on the ground and wind start blowing with the speed of 10m/s in west to east direction. in which direction he should hold an umbrella to protect himself from rain?
Asked by rajmata310 | 02 Jun, 2020, 09:19: AM
answered-by-expert Expert Answer
V e r t i c a l space v e l o c i t y space o f space t h e space r a i n equals 30 m divided by s
V e l o c i t y space o f space w i n d space i s space 10 m divided by s space i n space w e s t space t o space e a s t space d i r e c t i o n
tan theta equals 10 over 30
theta equals tan to the power of negative 1 end exponent 1 third
T h e space u m b r e l a space s h o u l d space b e space h e l d space a t space a n space a n g l e space theta equals tan to the power of negative 1 end exponent 1 third w i t h space v e r t i c a l
Answered by Utkarsh Lokhande | 02 Jun, 2020, 07:43: PM
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