Part a and b

Part A Two piers, A and B, are located on a river: B is 1500 m downstream from A (Figure 1). Two friends must make round trips from pier A to pier B and return. One rows a boat at a constant speed of 4.00 km/ h relative to the How much time does it take the walker to make the round trip? water; the other walks on the shore at a constant speed of Express your answer in minutes. 4.00 km/h. The velocity of the river is-2.80 km/h in the direction from A to B. AEd doe ? t= min Submit Request Answer Part B Figure How much time does it take the rower to make the round trip? Express your answer in minutes. AEQ min AK 1500 m- Submit Request