Author Question: A river 100 m wide flows 1 m/s due south. A boat that travels 1 m/s relative to the water is pointed ... (Read 178 times)

Medesa · **on:** Jul 29, 2018

A river 100 m wide flows 1 m/s due south. A boat that travels 1 m/s relative to the water is pointed due east as it crosses from the west bank. Relative to its starting point, the boat travels

A) nowhere.
B) 100 m.
C) 141 m.
D) 200 m.
E) more than 200 m.

Question 2

A motorboat that normally travels at 8 km/h in still water heads directly across a 6-km/h flowing river. The resulting speed of the boat is about

A) 6 km/h.
B) 8 km/h.
C) 10 km/h.
D) 20 km/h.