Quiz 2. Speed & Velocity

1. ______ is a unit of speed:
a. m/s
b. s
c. kg
d. hr

2. The speed at any instant of time is known as
a. average speed
b. velocity
c. given speed
d. instantaneous speed

3. If a total distance of 750 m is covered in a time interval of 25 s,the average speed is ______?
a. 3, 974 mph
b. 3 mph
c. 30 mph
d. 30 m/s

4. ______________ describes how fast something is going, whereas, __________ describes how fast something is going and in a certain direction.
a. speed, velocity
b. rate, speed
c. rate, velocity
d. speed, acceleration

5. Which of the following is a measure of velocity?
a. 30 s
b. 30 South
c. 30 m/s
d. 30 m/s, South

6. If a person walked at 2 m/s for 12 s he/she would travel a distance of ________.
a. 24 m
b. 6 m
c. 4 m
d. none of the answers

7. How long would it take to travel 50 km traveling at a speed of 10 km/hr?
a. 3 hours
b. 1 hour
c. 5 hours
d. 50 hours

8. The ______ of a distance versus time graph is speed.
a. slope
b. y-intercept
c. origin
d. none of the answers

9. The SI unit for speed is the ________.
a. in./hour
b. m/s
c. cm/min.
d. none of the answers

10. How far would you travel moving at 12 m/s for 3.00 minutes?
a. 36.0 m
b. 2160 m
c. 40.0 m
d. 36.0 miles