9 Questions

Questions and Answers

- 1.A posistion describes an object's location compared to..
- A.
Its motion

- B.
A reference point

- C.
Its speed

- D.
A vector

- 2.Maria walked 2 km in half an hour. What was her average speed during her walk?
- A.
1 km/h

- B.
2 km/h

- C.
4 km/h

- D.
6 km/h

- 3.Mary and Keisha run with the same constant speed but in opposite directions. The girls have
- A.
The same position

- B.
Diffrent accelerations

- C.
Diffrent speeds

- D.
Diffrent velocities

- 4.A swimmer increases her speed as she approaches the end of the pool. Her acceleration is
- A.
In the same direction as her motion

- B.
In the opposite direction of her motion

- C.
At right angles to her motion

- D.
Zero

- 5.A cheetah can go from 0 m/s to 20 m/s in 2 s. What was the cheetah's acceleration?
- A.
5 m/s

- B.
10 m/s

- C.
20 m/s

- D.
40 m/s

- 6.A car traveling at 40 m/s slows down to 20 m/s. During this time, the car has
- A.
No acceleration

- B.
Posistive acceleration

- C.
Negative acceleration

- D.
Constant velocity

- 7.
- 8.Speed = ________/ time
- 9.Is speed in a specific direction.