MCQOPTIONS
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| 1. |
A shell is fired from a fixed artillery gun with an initial speed u such that it hits the target on the ground at a distance R from it. If t1 and t2 are the values of the time taken by it to hit the target in two possible ways, the product t1t2 is: |
| A. | R/4g |
| B. | R/g |
| C. | R/2g |
| D. | 2R/g |
| Answer» E. | |