7.Gravitation
medium

પૃથ્વીને સંપૂર્ણ ગોળ માનીએ તો સપાટી થી $100 \,km$ ઊંડાઇએ ગુરુત્વ પ્રવેગ ........ $m/{s^2}$ થાય. ($R =6400\, km$ )

A

$9.66$

B

$7.64$

C

$5.06$

D

$3.10$

Solution

(a)$g' = g\,\left( {1 – \frac{d}{R}} \right) = 9.8\,\left( {1 – \frac{{100}}{{6400}}} \right) = 9.66\,m/{s^2}$

Standard 11
Physics

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