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.
Explanation / Answer
Vr = 60 tan 35 = 42 km/h
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