Moving and what physical principle is involved

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1. Suppose you're stranded in the middle of an ice-covered lake whose surface is so slick that you have no traction at all in order to begin moving. Fortunately, you're carrying a bag of oranges. How you can get yourself moving and what physical principle is involved?

2. If you placed a tomato in orbit at the same distance from the Earth as the Moon, how would the tomato's period of orbit around the Earth compare with that of the Moon?

I do not know how to do these two questions? please explain, thank you so much

Reference no: EM13839246

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