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Q. |
The displacement of a particle under going rectilinear motion along the x-axis is given by x = 2t3 + 21t2 + 60t + 6 metres. |
A. | 27 m/s2 |
B. | 18 m/s2 |
C. | 36 m/s2 |
D. | 9 m/s2 |
E. | 107 dynes |
Answer» D. 9 m/s2 |
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