InterviewSolution
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InterviewSolution
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The maximum vertical distance through which a full dressed astronaut can jump on the earth is 0.5m. Estimate the maximum vertical distance through which he can jump on the motion, which has a mean density 2/3 rd that of the earth and radius one-quarter that of the earth.A. 1.5mB. 3mC. 6mD. 7.5m |
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Answer» Correct Answer - B On the moon, `g_(m) = (4)/(3)pi G(R//4) (2rho//3)` `= (1)/(6) ((4)/(3)pi GR rho) = (1)/(6)g` Work done in jumping `=m xx g xx 0.5 = m xx (g//6) h_(1)` `h_(1) = 0.5 xx 6 = 3.0m` |
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