If a planet existed whose mass was twice and radius was thrice of that of the earth, then how much a 1 kg mass on its surface would weigh. ?
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If a planet existed whose mass was twice and radius was thrice of that of the earth, then how much a 1 kg mass on its surface would weigh. ?
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Explanation:
For earth
if mass of earth is=M. Radius of earth =R
and the mass of body on earth is =M then weight of body on earth can be written as
W =g Mm /R^2
Fir other planet
If mass is twice than the earth =2M , Radius is 3 times =3 R t
then mass of the body can be found as
W=g(2M)(M)/(3R)^2
W=(2/9)(gMm/R)
Mass of earth and radius has value of earth so taken as 1 value of gravity is 9.8 and mass of baby is 1 so
W=(2/9)(1×9.9)
W=2.18 N
so if baby is 1 kg on earth it's mass on the other planet will be 2.18N
Answer:
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