1. Velocity y Graph review

2. Speed and direction are needed to describe
velocity

3. Which of the following units describes velocity?
a. 50 km/hr, north
b. 50 km/hr
c. 50 km/hr/hr
d. north

4. . In a position time graph the slope represents
The speed

5. What is the velocity of someone walking to the back of a bus if the person is walking 2 m/s south and the bus is moving 20 m/s to the north?
18 m/s north

8. What is the speed of the object?
Speed= distance = 50 m = 10 m/s
time s

9. How far is the car moving between seconds 40 and 60?
It is stopped.

10. What is happening to the speed?
It is increasing

11. What is the speed between 3 and 7?
2 km/min