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