5.1- 7th grade

1.

1 point

To describe how fast the bicycle is traveling, you have to know _________ things about its motion.

2.

1 point

One is the distance it has traveled, or how _____ it has gone.

3.

1 point

One way to describe the bike rider's motion over this _______ period is to give the average speed.

4.

1 point

To calculate average speed, divide the _________ traveled by the time it takes to travel that distance.

5.

1 point

_______ speed is useful if you don't care about the details of the motion.

6.

1 point

To keep from exceeding the speed limit, the driver would need to know the _____________ speed- the speed of an object at any instant of time.

7.

1 point

Sometimes an object is moving such that its ___________ speed doesn't change.

8.

1 point

When the instantaneous speed doesn't change, an object is moving with _________ speed.

9.

1 point

How do you calculate distance?

speed x time

speed divided by time

speed - time

10.

1 point

The ____________ of an object is the speed of an object and its direction of motion.

11.

1 point

Velocity changes when the speed changes, the __________ of motion changes, or both changes.

12.

1 point

________________ is the change in velocity divided by the time needed for the change to occur.

13.

1 point

If the direction of motion isn't changing, the motion is along a _________ line.

14.

1 point

How do you calculate acceleration?

speed - time

speed + time

(final speed-initial speed)/time

15.

1 point

An object that is slowing down also is ____________.