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To determine an athlete's body fat, she is weighed first in air and then again while...

To determine an athlete's body fat, she is weighed first in air and then again while she's completely underwater. It is found that she weighs 690 N when weighed in air and 44.0 N when weighed underwater. What is her average density?

Express your answer to four significant figures and include the appropriate units.

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Answer #1

Density= 1070 kg/m^3

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