Assume That the Average Mass of Each of the Approximately $\times$

question 44

Multiple Choice

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 centre of mass of the Earth (mE = 5.90 $\times$ 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.