Question #6417117Single Choice
Physics
Question
A boat crosses a river with a speed of 3 m/s perpendicular to the riverbank, while the current flows at a speed of 4 m/s. The width of the river is 60 m. What is the magnitude of the displacement of the boat relative to its starting point when it reaches the opposite bank?
Options
A
60 m
B
80 m
C
100 m
D
120 m