If →Vr is the velocity of rain falling vertically and −→Vm is the velocity of a man walking on a level road, and θ is the angle with vertical at which he should hold the umbrella to protect himself, then the magnitude of relative velocity of rain w.r.t man is given by

If →Vr is the velocity of rain falling vertically and −→Vm is th

1.	If →Vr is the velocity of rain falling vertically and −→Vm is the velocity of a man walking on a level road, and θ is the angle with vertical at which he should hold the umbrella to protect himself, then the magnitude of relative velocity of rain w.r.t man is given by
Answer» If $_{r}$ is the velocity of rain falling vertically and $_{m}$ is the velocity of a man walking on a level road, and $θ$ is the angle with vertical at which he should hold the umbrella to protect himself, then the magnitude of relative velocity of rain w.r.t man is given by

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If →Vr is the velocity of rain falling vertically and −→Vm is the velocity of a man walking on a level road, and θ is the angle with vertical at which he should hold the umbrella to protect himself, then the magnitude of relative velocity of rain w.r.t man is given by

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