A man is walking on a horizontal road at velocity
of 5 km/h and the rain appears to be falling
vertically at 5 km/h to him. The magnitude of
velocity of rain with respect to the ground is
[NCERT Pg. 76]
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Answer:
5root2
Actual velocity of rain will be 5i + 5j
Therefore, magnitude= root(5²+5²)= 5root2
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