Concept explainers
(a)
Volume of the statuette.
(a)
Answer to Problem 70A
The volume of statuette is
Explanation of Solution
Given:
Force of statuette when suspended in air:
Force of statuette when completely submerged in water:
The density of the fluid,
Formula used:
One force is the upward force of the liquid on the object. There is also the downward force of the object’s weight. The difference between the buoyant force (or upward force) and the object’s weight whether an object floats or sinks.
The upward force or buoyant force can be calculated by using a formula,
Where,
Calculation:
Thus, the volume of the statuette suspended in air is calculated by:
Where,
Apply the formula and calculate the volume of the statuette suspended in air is:
Conclusion: Hence, Volume of the statuette is
(b)
Material of the statuette.
(b)
Answer to Problem 70A
As the density of statuette is
Explanation of Solution
Given:
The density of gold,
The density of gold − plated aluminum
The volume of the statuette is
Force of statuette when suspended in the air:
Formula used:
Density:
Where,
Calculation:
Here,
Conclusion: The statuette is made of gold and its density is
Chapter 13 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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