A river flows due east with a speed of 2.3 m/s. A man steers a motorboat across the river. His velocity relative to the water is 4.4 m/s due north. The river is 750 m wide.
(a) What is his velocity relative to the earth?
magnitude
m/s
direction
° (counterclockwise from east is positive)
(b) How much time is required to cross the river?
s
(c) How far east of his starting point will he reach the opposite bank?
m
(a) What is his velocity relative to the earth?
magnitude
m/s
direction
° (counterclockwise from east is positive)
(b) How much time is required to cross the river?
s
(c) How far east of his starting point will he reach the opposite bank?
m