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22-11-2019
Physics

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The insulation in an old house is able to hold in 12,000 J of the 36,000 J that were used to heat it up. How energy efficient is this insulation?

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khababnazir10 khababnazir10

22-11-2019

Answer:

Explanation:

As in put energy is 36000J

Out which it gives or holds 12000

Now,

As we know efficiency is output/input ×100

Then,

12000/36000=0.333×100=33.33%

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