InterviewSolution
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InterviewSolution
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A boy weighing `50 kg` finished long jump at a distance of `8 m`. Considering that he moved along a parabolic path and his angle of jumps was `45^(@)`, his initial `KE` will be `g = 9.8 m//s^(2)`A. `960 J`B. `1560 J`C. `2460 J`D. `1960 J` |
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Answer» Correct Answer - B Maximum range`= (u^(2))/(g) = R or u^(2) = Rg` `KE = (1)/(2) m u^(2)= (1)/(2) mRg = (1)/(2) xx 50 xx8 xx 9.8 = 1960 J` |
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