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A particle of mass \( \mathrm{m} \) is projected with a velocity \( \mathrm{v}=\mathrm{kV_e}(\mathrm{k}<1) \) from th…

Q1

A particle of mass \( \mathrm{m} \) is projected with a velocity \( \mathrm{v}=\mathrm{kV_e}(\mathrm{k}<1) \) from the surface of the earth. The maximum height above the surface reached by the particle is:

[NEET 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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