Stan does 178 J of work lifting himself 0.5 m. What is Stan’s mass? The acceleration of gravity is 9.8 m/s 2 . Answer in units o
2 answers:
Answer:
<h2>The mass is 36.33 kilograms.</h2>Explanation:
The work is defined as the force needed to move an object a certain distance, if there's no change of position, there's no work.
In this case, the work is defined:
Where is the weight defined with the following equation
Now, we'll replace all given values and solve for :
Therefore, the mass is 36.33 kilograms.
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The capacitance of the capacitor is
Explanation:
The capacitance of a parallel-plate capacitor is given by the equation
where
k is the dielectric constant of the medium
is the vacuum permittivity
A is the area of the plates
d is the separation between the plates
For the capacitor in this problem, we have:
k = 2.1 is the dielectric constant
is the separation between the plates
(I assumed that 5.4 m is a typo, since it is not a realistic size for the side of the plate)
Therefore, the capacitance of the capacitor is
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