MCQOPTIONS
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| 1. |
A projectile is thrown in the upward direction making an angle of \[\,60{}^\circ \] with the horizontal direction with a velocity of \[147\text{ }m{{s}^{-1}}\]. Then the time after which its inclination with the horizontal is \[45{}^\circ \], is |
| A. | 15 s |
| B. | 10.98 s |
| C. | 5.49 s |
| D. | 2.74 s |
| Answer» D. 2.74 s | |