Have an account?
Skip to Content
Build your own quiz
Suggestions for you
7 questions
Show Answers
See Preview
- 1. Multiple Choice
A motorboat, which has a speed of 5 m/s in still water, is crossing a river (from west to east) The river's current is flowing south at 3.3 m/s. What is the magnitude of the boat’s resultant velocity with respect to the starting point?
3.3 m/s
5.0 m/s
6.0 m/s
8.3 m/s
- 2. Multiple ChoiceA hiker walks 5 kilometers due north and then 7 kilometers due east. What is the hiker's resultant displacement?2 km8.6 km12 km12.6 km
- 3. Multiple Choice
Observers using different ___________________ may measure different velocities for an object in motion
frame of reference
relatives of motion
projectile motions
constant velocity
- 4. Multiple Choice
What is the train's speed with respect to the stationary observer?
40 mph
50 mph
10 mph
30 mph
- 5. Multiple Choice
What is the walker's speed from the observer's perspective?
10 mph
40 mph
50 mph
30 mph
- 6. Multiple Choice
What is the walker's speed with respect to the train?
30 mph
10 mph
40 mph
50 mph
- 7. Multiple Choice
A boat heading north crosses a wide river with a velocity of 10.00 km/h relative to the water. The river has a uniform velocity of 5.00 km/h due east. Determine the boat’s speed with respect to an observer on shore.
11.18 km/hr
15 km/hr
5 km/hr
30 km/hr
- Answer choicesTagsAnswer choicesTags