Question #6417112Single Choice

Physics

Question

A boat is crossing a river with a speed of 4 m/s perpendicular to the riverbank, while the current of the river flows at a speed of 5 m/s. The width of the river is 120 m. What is the time taken for the boat to reach the opposite bank?

Options

A
    30 s
B
    24 s
C
    40 s
D
    20 s

Answer & Analysis