Question

If the earth shrinks to 50% of it's real radius its mass remained the same, the weight of a body on the earth will
a)decrease by 50%
b)increase by 50%
c)decrease by 25%
d)increase by 300%

please explain with steps​

Answer 1

Answer:

g=GM÷R2

g'=gm÷(r÷2)2=4g

%change=mg'-mg\ mg × 100

g'-g /g ×100

4g'-g/g*100 =300

Answer 2

Answer:

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