Assignment Page 337 | 1-7

1.)

Velocity is a description of both speed and direction of motion. Velocity is a vector.

2.)

The slope of a line on a distance-time graph is speed.

3.)

Average speed is computed for the entire duration of the trip, and instantaneous speed is measured at a particular instant.

4.)

Two or more velocities add by vector addition.

5.)

It shows instantaneous speed because it doesn't show the average speed across the whole trip or show a direction. Instead, it gives the speed of a particular moment.

6.)

I could record how long it takes the car to roll down however long the ramp is.

7.)

Because, for example, if the slope were 1/2, and the distance was meters and the time was in seconds, I would be traveling 2 meters per second.

8.)

2.16 m/s

9.)

1,500 kilometers