You stand on the seat of a chair and then hop off.

(a) During the time interval you are in flight down to the floor, the Earth moves toward you with an acceleration of what order of magnitude? In your solution, explain your logic. Model the Earth as a perfectly solid object.

(b) The Earth moves toward you through a distance of what order of magnitude?

Question

You stand on the seat of a chair and then hop off.

(a) During the time interval you are in flight down to the floor, the Earth moves toward you with an acceleration of what order of magnitude? In your solution, explain your logic. Model the Earth as a perfectly solid object. 

(b) The Earth moves toward you through a distance of what order of magnitude?

anonymous · Answer

the earth moves towards the person due to gravity.
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$$m_pg=M_ea\a={m_pg\over M_e}$$