1. is a vector quantity that represents the time-rate of change in velocity.

2. If an object is traveling south with a decreasing speed, the direction of the object's acceleration is .

3. What is the distance traveled by an object that moves with an average speed of 6.0 m/s in 4 seconds. m .

4. A car travels a distance of 90 meters in 10 seconds. What is the average speed of the car during this 10 second interval? [?] m/s

5. A boat initially traveling at 10.0 meters per second accelerates uniformly at the rate of 5.00 m/s**2 for 10.0 seconds. How far does the boat travel during this time? m

6. If a woman runs 100 meters north and then 70 meters south, her total displacement is [?] m .(direction)

7. A student walks 3 blocks south, 4 blocks west, and 3 blocks north. What is the displacement of the student? Answer [?] blocks west.