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Physics
Physics
Problem
A planet has double the mass of the earth. Its average density is equal to the that of the earth. An object weighing
W
W
W
on earth will weigh on that planet: (1)
2
2
/
3
W
2^{2/3} W
2
2/3
W
(2)
W
W
W
(3)
2
1
/
3
W
2^{1/3} W
2
1/3
W
(4)
2
W
2 W
2
W
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