-1500 m- B Veurrent

icon
Related questions
Question

Two piers, A and B, are located on a river; B is 1500 m downstream
from A (Fig.). 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 water; the other walks on the shore at a constant
speed of 4.00 km>h. The velocity of the river is 2.80 km>h in the
direction from A to B. How much time does it take each person to make
the round trip? 

-1500 m-
B
Veurrent
Transcribed Image Text:-1500 m- B Veurrent
Expert Solution
Step 1

Given data

d=1.5 kmu=4 km/hv=2.8 km/h

Step 2

The downstream speed is given by

VAB=u+v=4+2.8 km/h=6.8 km/h

The upstream speed is given by

VBA=u-v=4-2.8 km/h=1.2 km/h

steps

Step by step

Solved in 4 steps

Blurred answer