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TRUE OR FALSE
4. If an object has a constant velocity, its acceleration is greater than zero.true or false
5. Acceleration is mathematically defined as the rate of change in speed over time.
6. The SI unit for acceleration is m/s2.
_7. If vi and vf have same directions, the object is speeding up.

_______________8. If vi and vf have same directions, the object is slowing down.

_______________9. Acceleration is scalar quantity.

_______________10. If an object is moving with velocity of 10m/s and then stopped after 1s, its acceleration is 0 m/s2.


Sagot :

Answer:

4,true

5,false

6,true

7,false

Answer:

4. False

5. True

6. True

7. True

8. False

9. False

10. False

Explanation:

Not sure for 7 and 8 but the others are pretty much correct.