Question

Compare the weight of an object on a
planet whose mass is twice the many earth
and raduis is 4 times the radius of earth

Answer 1

q'=R2GM

=(4ve)2G×2me

=81ve2Gme

=8g

To find 4times the acceleration.due to gravity

=4×81g=2g=210

=5m/s2

Hence, the answer is 5m/s2.

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