Day 1 Review

Instantaneous speed is the...

• Speed of light

• Speed on your speedometer

• Average speed at the end of your drive

The distance and direction of an object’s change in position; difference from starting to ending point is called _

If a soccer player runs after his opponent 50 m North, then turns around and chases him 20 m South, what is his distance?

• 30 m

• 40 m

• 70 m

• 7 m

If a soccer player runs after his opponent 50 m North, then turns around and chases him 20 m South, what is his displacement?

• 30 m North

• 50 m North

• 30 m South

• 7 m South

True or False: Speed and Velocity are the same thing, but velocity has direction.

• True

• False

True or False: Average speed is the speed of an object and the direction of its motion.

• True

• False

The cross-country team goes on a 10-mile run after school. They end the run outside of the locker room, where they started. What is the displacement of the runners?

• 10 mi North

• 10 mi South

• 0 mi