Question #6417113Single Choice

Physics

Question

A boat is moving across a river with a speed of 5 m/s, perpendicular to the riverbank, and the current flows at 3 m/s. If the river is 90 m wide, what is the time taken for the boat to reach the opposite bank?

Options

A
    30 s
B
    18 s
C
    22.5 s
D
    14.06 s

Answer & Analysis