MCQOPTIONS
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MCQOPTIONS
| 1. |
A point moves in a straight line so that its displacement x metre at time t second is given by \[{{x}^{2}}=1+{{t}^{2}}\]. Its acceleration in \[m{{s}^{2}}\] at time second is |
| A. | \[\frac{1}{{{x}^{3}}}\] |
| B. | \[\frac{1}{x}\,-\frac{1}{{{x}^{2}}}\] |
| C. | \[-\frac{t}{{{x}^{2}}}\] |
| D. | \[\frac{1}{x}\,-\,\frac{{{t}^{2}}}{{{x}^{3}}}\] |
| Answer» E. | |