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Rain is falling at a constant speed of Vr in a vertical direction onto a traveli

ID: 1919971 • Letter: R

Question

Rain is falling at a constant speed of Vr in a vertical direction onto a traveling car.

The car is traveling at 60 km/hr and the driver notices that the raindrops are traveling

at an angle of 35 degrees relative to the horizontal. Determine the actual vertical

velocity Vr of the raindrops.


Rain is falling at a constant speed of Vr in a vertical direction onto a traveling car. The car is traveling at 60 km/hr and the driver notices that the raindrops are traveling at an angle of 35 degrees relative to the horizontal. Determine the actual vertical velocity Vr of the raindrops.

Explanation / Answer

Vr = 60 tan 35 = 42 km/h