A girl standing on road holds her umbrella... | Relative Motion | JEE Main 2022

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JEE MAIN 2022

27-06-2022 - S1

Question

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 $15 \sqrt{2} \mathrm{kmh}^{-1}$ , the rain drops hit her head vertically. The speed of rain drops with respect to the moving girl is :

Select the correct option:

A

$30 \mathrm{kmh}^{-1}$

B

$\frac{25}{\sqrt{2}} \mathrm{kmh}^{-1}$

C

$\frac{30}{\sqrt{2}} \mathrm{kmh}^{-1}$

D

$25 \mathrm{kmh}^{-1}$

✓ Correct! Well done.

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