MCQOPTIONS
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| 1. |
A stone dropped from a building of height h and it reaches after t seconds on earth. From the same building if two stones are thrown (one upwards and other downwards) with the same velocity u and they reach the earth surface after \[{{t}_{1}}\] and \[{{t}_{2}}\] seconds, respectively, then |
| A. | \[t={{t}_{1}}-{{t}_{2}}\] |
| B. | \[t=\frac{{{t}_{1}}+{{t}_{2}}}{2}\] |
| C. | \[t=\sqrt{{{t}_{1}}{{t}_{2}}}\] |
| D. | \[t_{1}^{2}=t_{2}^{2}\] |
| Answer» D. \[t_{1}^{2}=t_{2}^{2}\] | |