Cooling causes a material to
2 answers:
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20h
Explanation:
Given parameters:
Electrical power = 75W
Electrical energy = 1500J
Unknown:
Time taken = ?
Solution:
Electrical power is the amount of voltage that drives current.
P = IV
Electrical energy is the voltage that drives a current per unit of time
E = IVt
E = Pt
Since time is the unknown, we can make it subject of the formula;
t = =
= 20h
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Invention of electrical power brainly.com/question/13146914
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Average acceleration is the ratio of the change in velocity to the time it takes for that change to occur:
We want to find :