(a)
Change of value of y with respect to x.
(a)
Answer to Problem 42PPE
The value of y will be doubled.
Explanation of Solution
Given data:
Formula used:
Direct variant equation:
Calculation:
The value of x is doubled:
As,
When x is doubled than
But k is assumed to be a constant and this k’ is 1/2 of our original k.
So, if x doubles than y should be doubled for making k constant
So the value of y will be doubled
Conclusion:
The value of y will be doubled.
(b)
Change of value of y with respect to x.
(b)
Answer to Problem 42PPE
The value of y will be half.
Explanation of Solution
Given data:
Formula used:
Direct variant equation:
Calculation:
The value of x is half:
As,
When x is half than
But k is assumed to be a constant and this k’ is double of our original k
So, if x is half than y should be half for making k constant
So the value of y will be half.
Conclusion:
The value of y will be half.
Chapter 5 Solutions
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