Problem: A car travels due east with a speed of 48.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 70.0° with the vertical.
Part A: Find the velocity of the rain with respect to the following reference frames.
I need help to find the velocity of the rain with respect to the following reference frames.