A particle of mass ' \( \mathrm{m} \) ' is projected with a velocit...

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A particle of mass ' \( \mathrm{m} \) ' is projected with a velocity \( \mathrm{v}=\mathrm{kVe}(\mathrm{k}1) \) from the surface of the earth.
P The maximum height above the surface reached by the
W. particle is:
(2021)
(a) \( \mathrm{R}\left(\frac{\mathrm{k}}{1+\mathrm{k}}\right)^{2} \)
(b) \( \frac{\mathrm{R}^{2} \mathrm{k}}{1+\mathrm{k}} \)
(c) \( \frac{\mathrm{Rk}^{2}}{1+\mathrm{k}^{2}} \)
(d) \( \mathrm{R}\left(\frac{\mathrm{k}}{1-\mathrm{k}}\right)^{2} \)
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