Author Question: A river flows due east at 2.0 m/s. A boat crosses the 300 m-wide river by maintaining a constant ... (Read 137 times)

crobinson2013 · **on:** Jul 28, 2018

A river flows due east at 2.0 m/s. A boat crosses the 300 m-wide river by maintaining a constant velocity of 10 m/s due north relative to the water. If no correction is made for the current, how far downstream does the boat move by the time it reaches the far shore?
a. 6 m
c. 60 m
b. 30 m
d. 90 m

Question 2

A boat moves at 11.0 m/s relative to the water. If the boat is in a river where the current is 2.00 m/s, how long does it take the boat to make a complete round trip of 1000 m upstream followed by a 1000 m trip downstream?
a. 188 s
c. 208 s
b. 205 s
d. 222 s