If an object covers 100m in 20s, what is its speed? S=d/t
50 m/s
5 m/s
10 m/s
2 m/s
A car travels 120 km in 2 hours. What's its speed? S=d/t
120 km/h
90 km/h
30 km/h
60 km/h
Look at the distance-time graph above. What is the total distance travelled?
120 km
140 km
160 km
180 km
A student investigates the motion of a toy vehicle. The student graphs 40 seconds of data from the investigation.
Which statement best describes the motion of the toy vehicle during thefirst 30 seconds of the investigation?
The vehicle was traveling at a constant speed.
The speed of the vehicle was increasing.
A horse trainer records the distance a horse travels during three different trials.
What is the horse’s average speed? Speed = distance / time
Hint: Add the total distance and divide by total time. 27
0.3 km/min
3.33 km/min
300 km/min
A meteor moving 468 kilometers per minute travelled in a south-to-northward direction nearly colliding with Earth in 2013.
Which statement describes the meteor’s motion?
Its speed was 468 km/s northward. Its velocity was 468 km/min northward
Its velocity was 468 km/min northward
Its speed was 468 km/hr
Which of the following is a true statement about distance and displacement? Remember notes.
A. Distance is always equal to displacement.
B. Displacement cannot be determined.
C. Distance is a scalar quantity, while displacement is a vector quantity.
Which statement accurately differentiates between speed and velocity?
A. Speed includes both the magnitude and direction of motion, while velocity only includes the magnitude.
B. Speed measures how fast an object is moving without considering direction, while velocity includes both the speed and the direction of motion.
C. Speed and velocity both measure how fast an object is moving and the direction of motion.
A runner jogs 7 km south in 1 hour and then turns and jogs 14 km west in 2 hours. What is the runner's average speed for the entire journey?
A. 5 km/h
B. 7 km/h
C. 8 km/h
D. 9 km/h
Which of the following could represent the runner's average velocity for the entire journey?
A. 8 km/h west
B. 9 km/h
C. 7 km/h
D. 7 km/h southwest
If a runner completes one lap around a 400-meter track, what is the runner's displacement?
A. 0 meters
B. 200 meters
C. 400 meters
D. 800 meters
Three cars, shown below, are all traveling at a speed of 5 m/s, but only car E has a changing velocity. Car E has a changing velocity because it ______.
A. can accelerate faster than the other two cars
B. is traveling in the opposite direction from the other two cars
C. is traveling on a curve in the road or changing direction