Rain is falling vertically with a speed of \(35~\text{ms}^{-1}\)${\mathrm{}}^{}$. Winds starts blowing after sometime with a speed of \(12~\text{ms}^{-1}\)${\mathrm{}}^{}$ in east to west direction. At what angle should a boy waiting at a bus stop hold his umbrella?

A motorboat is racing towards the north at \(25\) km/h and the water current in that region is \(10\) km/h in the direction of \(60^\circ\) east of the south. The resultant velocity of the boat is:

Rain is falling vertically with a speed of \(35\) m/s. A woman rides a bicycle with a speed of \(12\) m/s in the east-to-west direction. What is the direction in which she should hold her umbrella?