When a train's velocity is 12.0 {\rm{ m/s}} eastward, raindrops thatare falling vertically with respect to the earth make traces thatare inclined 30.0 ^\circ to the vertical on the windows ofthe train.
What are the horizontal components with respect to a) the train and b) the earth
What is the magnitude of velocity with respect to a) the train and b) the earth