The ratio of radii of earth to another planet is \( \frac{2}{3} \) and the ratio of their mean d.... VIDEO
The ratio of radii of earth to another planet is \( \frac{2}{3} \) and the ratio of their mean densities is \( \frac{4}{5} \). If an astronaut can jump to a maximum height of \( 1.5 \mathrm{~m} \) on the earth, with the same effort, the maximum height he can jump on the planet is
(1) \( 1 \mathrm{~m} \)
(2) \( 0.8 \mathrm{~m} \)
(3) \( 0.8 \mathrm{~m} \)
(4) \( 1.25 \mathrm{~m} \)
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