A set of pulleys lifts a crate using 3200 J of work in 7 seconds. What power was used?

Sagot :

[tex] \large\underline \mathcal{{QUESTION:}}[/tex]

A set of pulleys lifts a crate using 3200 J of work in 7 seconds. What power was used?

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[tex] \large\underline \mathcal{{SOLUTION:}}[/tex]

Using the formula of getting the power:

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

[tex]\\\sf{P=\frac{3200J}{7s}}[/tex]

[tex]\sf{P=457.142J}[/tex]

[tex]\sf{P=457.14J}[/tex]

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[tex] \large\underline \mathcal{{ANSWER:}}[/tex]

  • The power used is 457.14 joules

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