Which graph represents an object that is decreasing in speed?
D.
25
A car takes 4 hours to travel 120 miles at a constant speed. How fast is the car traveling? (speed = distance ÷ time)
30 MPH
25
Which statement best describes the motion of the cars displayed in the graph?
Car X traveled at a constant speed, while Car Y did not. Y accelerated
25
A swimmer is moving at a speed of 4.0 meters/second. How long will it take for the swimmer to go 100 meters?
25 seconds
20
A car travels at a speed of 72 miles per hour. What distance does the car travel in two hours? (speed = distance ÷ time)
144
20
Which statement best describes the motion of the object from second 3 to second 4?
Constant Speed
25
Which best describes the motion of the car?
At Rest
25
Amy and Chad raced each other over a distance of 300 meters. Amy and Chad reached the end of the 300 meters at the same time. Which best describes the motion of the two?
They ran at the same speed
15
How long will it take a car that is moving at 30 miles per hour to travel 270 miles? (speed = distance ÷ time)
9 hours
25
How long would it take a car traveling 55 miles per hour to get from Boone, NC to Oconee, SC if the two cities are 440 miles apart? (speed = distance ÷ time)
8 hours
25
When water vapor loses heat energy and turns back into a liquid