
Concept explainers
(a)
The expression for
(a)

Answer to Problem 84P
The expression for
Explanation of Solution
Formula used:
The expression for the acceleration of the wood system is given by,
The expression for the distance of the system is given by,
Calculation:
The block is start from the rest position which means that the initial velocity of the block is,
The acceleration from
From equation (1) and equation (2), the expression of the gravity is written as,
Conclusion:
Therefore, the expression for
(b)
The proof that the small error in time measurement lead to the error in
(b)

Answer to Problem 84P
The value of
Explanation of Solution
Formula used:
The expression for
Calculation:
Differentiate the expression of
Solve further as,
Conclusion:
Therefore, the value of
(c)
The value of
(c)

Answer to Problem 84P
The value of
Explanation of Solution
Given:
The value of the
The value of the
The value of the
The value of the mass is,
Formula used:
The expression for
The expression for
Calculation:
The value of the time from the expression of
The value of the mass
Solve further as,
Conclusion:
Therefore, the value of
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Chapter 4 Solutions
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