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Q. No.The motion of a particle along a straight line is described by the equation \(x = 8+12t-t^3\) where \(x \) is in meter and \(t\) in seconds. The retardation of the particle, when its velocity becomes zero, is:
| 1. | \(24\) ms-2 | 2. | zero |
| 3. | \(6\) ms-2 | 4. | \(12\) ms-2 |
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Subtopic: Â Acceleration |
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