JEE Main 2022 Physics question
A girl standing on road holds her umbrella at 45° with the vertical to keep the rain away. If she starts running without umbrella with a speed of , the rain drops hit her head vertically. The speed of rain drops with respect to the moving girl is
Answer: (3)
Solution
The rain falls at 45° to the vertical, so its horizontal and vertical components are equal in magnitude. When the girl runs at km/h the horizontal component of the rain's velocity
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