jilliynr9507
08.04.2020 •
Physics
How do you identify an unknown substance if you only know it’s density
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Ответ:
measuring its density and comparing your result to a list of known densities.
Explanation:You can identify an unknown substance by measuring its density and comparing your result to a list of known densities. Density = mass/volume
Ответ:
Explanation:
The tension in the cable would be exactly equal to the force of gravity between Moon and Earth, which is given by:
where
Substituting numbers into the equation, we find