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