Assume that the average mass of each of the approximately 1 billion people in China is 55 kg. Assume that they all gather in one place and climb to the top of 2 m high ladders. The center of mass of the Earth (mE = 5.90 1024 kg) is then displaced
a. 0 m.
b. 1.84 × 10^?23 m.
c. 1.84 × 10^?14 m.
d. 1.80 × 10^?13 m.
e. 2 m.
c
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