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gladu [14]
3 years ago
7

Which of these materials is an example of an insulator?

Physics
1 answer:
geniusboy [140]3 years ago
7 0
Rubber. The other three are metals, and therefore good conductors.
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Write the equation of a function h(t) that represents the amount of heat in joules required to heat the bar to a temperature of
bearhunter [10]
The initial temperature of the bar is 25. To get to the t temperature you need to add (t-25) degrees Celsius.

for 1 degree................... 7 Joules
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p=7y

In our case y=(t-25) .

h(t) = 7(t-25) which is the final answer.

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3 years ago
What additional information do you need to prove ∆ABC ≅ ∆DEF by the SAS Postulate?
miv72 [106K]

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Option A

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Lera25 [3.4K]

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mojhsa [17]

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