Author Question: A spherically symmetric planet has four times the Earth's mass and twice its radius. If a jar of ... (Read 164 times)

Yi-Chen · **on:** Jul 27, 2018

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) 18 N
B) 12 N
C) 30 N
D) 6 N
E) 24 N

Question 2

How many mass extinctions have occurred over the last 500 million years?

A) 5
B) 1
C) 4
D) 3