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how many seconds will it take you to burn 500,000J if you are exerting 278,000W of power while riding bicycle?

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 t

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

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

[tex]t = \dfrac{\text{500,000 J}}{\text{278,000 W}}[/tex]

[tex]\boxed{t = \text{1.80 s}}[/tex]

Therefore, the time taken is 1.80 s

[tex]\\[/tex]

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