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:

Kinematics: JEE Main 2022 Physics question

JEE Main 2022 · 27 Jun, Morning shift · Q7810

JEE Main 202227 Jun, Morning shiftPhysicsMediumKinematics177× since 2002

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

\sqrt2

kmh^

-

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

JEE Main 2022 Kinematics Question with Solution (27 Jun Morning shift, Q7810) | JEE Arc