A girl standing on road holds her umbrella at 45^∘ with the vertical to keep the rain away. If s

Name: 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 √(2)kmh^-1, the rain drops hit her head vertically. The speed of rain drops with respect to the moving girl is :
Uploaded: 2026-06-22T12:28:02-08:00
Duration: 2 min 48 s
Channel: Nishant Kumar
Description: 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 √(2)kmh^-1, the rain drops hit her head vertically. The speed of rain drops with respect to the moving girl is :

Question

Darshan Maheshwari · Accepted Answer

Step 1: Let girl’s running speed be v_g = 15√2 km/h; let rain’s velocity relative to ground be v

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 :

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