A river ﬂows due East at 2.25 m/s. A boat
crosses the river from the South shore to the
North shore by maintaining a constant velocity of 6.95 m/s due North relative to the
water. The river is 472 m wide.
A. What is the velocity of the boat relative to
shore?
Answer in units of m/s
B. Far downstream has the boat moved by
the time it reaches the North shore?
Answer in units of m

Question

A river ﬂows due East at 2.25 m/s. A boat
crosses the river from the South shore to the
North shore by maintaining a constant velocity of 6.95 m/s due North relative to the
water. The river is 472 m wide.
A. What is the velocity of the boat relative to
shore?
Answer in units of m/s
B. Far downstream has the boat moved by
the time it reaches the North shore?
Answer in units of m