Weight and g: A spherically symmetric planet has four times the earth's mass and twice its radius. If a jar of peanut butter weighs 12 N on the surface of the Earth, how much would it weigh on the surface of this planet?
A. 3.0 N
B. 6.0 N
C. 12 N
D. 24 N
E. 36 N
Answer: C
Physics & Space Science
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