MCQOPTIONS
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MCQOPTIONS
| 1. |
If a car is moving at 30 ms-1 and uniformly slows down to 15 ms-1 in 5s then its deceleration is |
| A. | -3 ms-1 |
| B. | -4 ms-1 |
| C. | 5 ms-1 |
| D. | 21 ms-1 |
| Answer» B. -4 ms-1 | |