Rain is falling vertically with a speed of 30 m s -1 . A woman rides a bicycle with a speed of 12 m s -1 in east to west direction. In which direction she should hold her umbrella?
A
At an angle of 
with the vertical towards the east
with the vertical towards the east
B
At angle of 
with the vertical towards the west
with the vertical towards the west
C
At angle of 
with the vertical towards the east
with the vertical towards the east
D
At angle of 
with the vertical towards the west
with the vertical towards the west
Text Solution
Verified by ExpertsThe correct answer is:
B
In figures, 
represent the velocity of rain and 
, the velocity of the bicycle, the woman s riding. To protect herself from rain, the woman should hold her umbrella in the directions or velocity of rain with respect to the bicycle, 
Therefore, the woman should hold her umbrella at an angle of 
with the vertical towards the west.
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