A car is moving with a velocity 3 km per hour along the east and rain is falling vertically with 4km per hour . calculate relative velocity of rain with car
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given
velocity of car = 3î
velocity of rain = -4j
relative velocity , Vr/c= Vr/o - Vc/o
o is any F.O.R
Vr/c = -4j + 3î
|Vr/c| = 5 km/h
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