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1. |
A particle is moving in a straight line is at a distance x from a fixed point in the straight line at time t seconds, where x = 2t3 – 12t + 11. What is the acceleration of the particle at the end of 2 seconds? |
A. | 22 cm/sec2 |
B. | 24 cm/sec2 |
C. | 26 cm/sec2 |
D. | 28 cm/sec2 |
Answer» B. | |