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  • A body weight ,  is projected vertically upwards from earth's surface to reach a height above

A body weight \mathrm{W},  is projected vertically upwards from earth's surface to reach a height above the earth which is equal to nine times the radius of earth. The weight of the body at that height will be :

Option: 1

\frac{\mathrm{W}}{100}


Option: 2

\frac{W}{91}


Option: 3

\frac{\mathrm{W}}{3}


Option: 4

\frac{W}{9}


Answers (1)

best_answer

\mathrm{g}_{\mathrm{h}}=\frac{\mathrm{g}}{\left(1+\frac{\mathrm{h}}{\mathrm{R}}\right)^{2}}

\mathrm{~h}=9 \mathrm{R}

\mathrm{g}_{\mathrm{h}}=\frac{\mathrm{g}}{(1+9)^{2}}=\frac{\mathrm{g}}{100}

\mathrm{w}_{\mathrm{h}}=\frac{\mathrm{mg}}{100}=\frac{\mathrm{w}}{100}

Posted by

Pankaj Sanodiya

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