A girl standing on road holds her umbrella at 45^{\circ} with the vertical to keep the rain away. If she starts running without umbrella with a speed of 15 \sqrt{2} {\kmh}^{-1}, the rain drops hit her head vertically. The speed of rain drops with respect to the moving girl is : [27-Jun-2022-Shift-1]

Correct Answer is : 30√2kmh−1

Motion in a Plane

Section: Physics

Question : 47 of 88

Marks: +1, -0

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 15√2kmh−1, the rain drops hit her head vertically. The speed of rain drops with respect to the moving girl is :

[27-Jun-2022-Shift-1]

30kmh−1
‌
25
√2
kmh−1
‌
30
√2
kmh−1
25kmh−1

Validate

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