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problem: compute the weight of a body on earth whose mass is 25 kg

nonsense report​


Sagot :

Given :

mass = m = 25kg.

g = 10m/s2

weight on earth = W = mg = 25x10 = 250N

The body is carried to a planet whose mass is two times of earth=2M

radius=R/2

Formula to be used:

g=GM/R²

=G(2M)/(R/2)²

=8GM/R²g

= 8(GM/R²)=8x10 [ ∴ g on earth=10m/s2]=80 m/s2

Therefore weight of body on other planet is W=mxg=25x80=2000N and

mass remains constant through out universe=m=25kg