Speed and Velocity Practice Problems



Speed and Velocity Practice Problems

Directions: Show all work on a separate sheet of paper. Attach those answers to this sheet. If you need to convert units, use factor-label.

Part I: Conceptual Questions

1) In an unusual move by the New York State Department of Transportation, all of the "speed limit" signs were replaced with "velocity limit" signs.

a) What would such a sign look like?

b) How could one travel faster than the old speed limit without violating the new velocity limit?

2) Which device(s) on a car can be used to change …

a) its speed?

b) its velocity but not its speed?

3) A car driving on a circular test track shows a constant speedometer reading of 100 kph for one lap.

a) Describe the car's speed during this time.

b) Describe its velocity.

c) How do the speed and velocity compare?

4) Is it possible for an object to have …

a) constant speed and changing velocity? Explain.

b) changing speed and constant velocity? Explain.

Part II: Word Problems

1. A train travels southwest from point A to point B through the Arizona desert at 65 mi/h. How far will the train travel six-and-a-half hours?

2. How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km/hr?

3. How many seconds will it take for a satellite to travel 450 km at a rate of 120 m/s?

4. How far (in meters) will you travel in 3 minutes running at a rate of 6 m/s?

5. A trip to Cape Canaveral, Florida takes 10 hours. The distance is 816 km. Calculate the average speed.

6. If a cyclist in the Tour de France traveled southwest a distance of 12,250 meters in one hour, what would the velocity (in meters per second) of the cyclist be?  

7. The space shuttle Endeavor is launched to altitude of 500 km above the surface of

the earth. The shuttle travels at an average rate of 700 m/s. How long will it take for

Endeavor to reach its orbit?

8. After an impact involving a non-functioning satellite, a paint chip leaves the surface

of the satellite at a speed of 96 m/s. After 17 seconds, how far has the chip landed?

9. If the earth spins on its axis at 1100 miles/hour, what is the speed of the Earth's rotation in feet per second? (1 mile = 5280 feet)

10. You drive 200 miles in 3 hours before stopping for 30 minutes for lunch and gas. After lunch you travel 150 miles in an hour and a half. What was your average speed for the trip?

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