Grace, Erin, and Tony are on a seesaw. Grace has a mass of 45kg and is seated 0.7m to the left of the fulcrum. Nicole has a mass
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Answer
The Value of r = 0.127
Explanation:
The mathematical representation of the two resistors connected in series is
And from Ohm law
The mathematical representation of the two resistors connected in parallel is
From the question
=>
Dividing equation 2 with equation 1
=>
We are told that
From equation 3
Using the quadratic formula
a = 1 b = -8 c =1
Now r = 0.127 because it is the least value among the obtained values