Rain is falling vertically with a speed of 30 `ms^(-1)` A woman rides a bicycle with a speed of 12 `ms^(-1)` in east to west direction. In which direction she should hold her umbrella ?

Options

A. At an angle of `tan^(-1)(2/5)` with the vertical towards the east.
B. At an angle of `tan^(-1)(2/5)` with the vertical towards the west
C. At an angle of `tan^(-1)(2/5)` with the vertical towards the east
D. At an angle of `tan^(-1)(2/5)` with the vertical towards the west

Answer

B