Concept explainers
a.
Volume of the gold cube.
a.
Answer to Problem 45A
Volume of cube,
Explanation of Solution
Given:
Side of the metal cube,
Formula used:
Volume of the cube is given by,
Where, V is volume and a is side of cube.
Calculation:
Now, substituting the value of a and solve.
Conclusion:
Therefore, volume of the cube is,
b.
Mass of the cube.
b.
Answer to Problem 45A
Mass of cube,
Explanation of Solution
Given:
Density of the cube,
Formula used:
Where, m is mass, d is density and V is volume.
Calculation:
From part (a)
Now, substituting the value of d and V and solve.
Conclusion:
Therefore, mass of the cube is 521.1 kg.
c.
Weight of the cube in Newton and in pound.
To identify: Whether the cube can be lift or not.
c.
Answer to Problem 45A
Weight of cube is 5106.78 N and in pound 1123.49 lb as weight is very large so it is not possible to lift it.
Explanation of Solution
Given:
Side of the metal cube,
Density of the cube,
Formula used:
Where, W is weight, m is mass and gis acceleration due to gravity.
Calculation:
From part (b)
Acceleration due to gravity,
Now, substituting the value of m and g and solve.
Now, in pound weight will be,
As weight is very large so it is not possible to lift it.
Conclusion:
Therefore, weight of cube is 5106.78 N and in pound 1123.49 lb as weight is very large so it is not possible to lift it.
Chapter 18 Solutions
Conceptual Physics: The High School Physics Program
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