Concept explainers
To Find: The true mass of the aluminum piece
Answer to Problem 28P
The mass of the aluminum is
Explanation of Solution
Given info:
Density of air,
Density of aluminum,
Apparent mass of Al,
Formula used:
Weight in vacuum −air buoyancy =
Calculation:
Weight in vacuum,
Air buoyancy acting on aluminum,
Volume is the same because the volume of the aluminum displaces an equal amount of volume air. So,
Apparent weight is given as,
But
So,
Conclusion:
The actual mass of the aluminum is
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Physics: Principles with Applications
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