a car is moving westward at 4kmph. the driver finds that the raindrops are hitting the windshield with a speed of 8kmph at 30 degree east of verticle. find actual velocity of raindrop
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Answer:
Subtracting the speed of the vehicle from the observed speed of
the raindrops then
Vr = Vo - Vv where Vo = observed velocity and Vv =velocity of vehicle
Vr = (8^2 - 4^2) = 48^1/2 = 6.93 kmph
Or 8 * sin 60 = 6.93
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