The comparison between work output and work input is
2 answers:
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Answer:
The intensity of light from the first polarizer is
Explanation:
The intensity of the unpolarized light is
Generally the intensity of light that emerges from the first polarized light is
substituting values
This shows that the length of a pendulum that makes one full swing in 2.2 seconds is 392.71 feet.
Given the formula for calculating the length of the pendulum expressed as:
where:
L is the length of the pendulum
T is the period of the pendulum
Given the following parameters:
Period T = 2.2 seconds
Substitute the given parameters into the formula will give;
So, this shows that the length of a pendulum that makes one full swing in 2.2 seconds is 392.71 feet.
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