Section 6.3
Relative Velocity
Practice Test
1.
You are riding in a boat that is traveling 15.0 m/s in still water. You move from the bow to the stern at 3.0 m/s. What is your speed relative to the water?
a.
12.0 m/s relative to the water
b.
9.0 m/s relative to the water
c.
18.0 m/s relative to the water
d.
15.3 m/s relative to the water
Hint
2.
Which of the following situations is physically the most like that depicted in Figure 6-9a?
a.
You jump up in an elevator that is going down.
b.
You walk toward the rear of a forward-moving train.
c.
You slide to the right on the seat of a forward-moving bus.
d.
You step upwards on an upward-moving escalator.
Hint