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

Do you know the order of magnitude of the earth's mass?

anonymous · Answer

earths mass = 5.97 * 10^24 kg

anonymous · Answer

ok.. good.. so when you are in air.. the earth is putting  a force on you.. it is this same force that you are putting back on the earth which pulls the earth upwards..

so can you tell me how is the force that the earth is putting on you?

anonymous · Answer

how much*

anonymous · Answer

The earth must oppose the force of the person’s jump in an equal magnitude but opposite direction reaction force