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how much power was expended in what if a school elevator working for 100,000 jewel broad the students from the ground floor to the third floor for the building in 55

show your solution ​


Sagot :

[tex]\tt{\huge{\blue{Explanation:}}}[/tex]

The power of an object doing a work W in a given time t is given by

[tex]\boxed{P = \frac{W}{t}}[/tex]

where:

P = power

W = work

t = time

[tex]\tt{\huge{\red{Solution:}}}[/tex]

Solving for P

[tex]P = \dfrac{W}{t}[/tex]

[tex]P = \dfrac{\text{100,000 J}}{\text{5 s}}[/tex]

[tex]\boxed{P = \text{20,000 W}}[/tex]

Therefore, the amount of power expended is 20,000 W.

[tex]\\[/tex]

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