A) a uniform velocity
B) a uniform acceleration
C) increasing acceleration
D) decreasing acceleration
Correct Answer: B
Solution :
| [b] Given, \[s=c{{t}^{2}}\], |
| Here, c = constant of proportionality |
| \[\therefore \operatorname{Acceleration},\ a=\frac{{{d}^{2}}s}{d{{t}^{2}}}=\frac{{{d}^{2}}}{d{{t}^{2}}}(c{{t}^{2}})\] |
| =2c constant |
| So, the object is moving with a uniform acceleration. |
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