MCQOPTIONS
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| 1. |
The displacement of a particle undergoing rectilinear motion along the x-axis is given by x = 2t3- 21t2 + 60t + 6 (m)The acceleration of the particle when its velocity is zero, is |
| A. | 36 m/s2 |
| B. | ± 18 m/s2 |
| C. | 9 m/s2 |
| D. | - 9 m/s2 |
| Answer» C. 9 m/s2 | |