(a) What is the average useful power output of a person who does 7.0000 x106 J of useful work in 7.0000 hr? P= ✔w

College Physics
11th Edition
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Chapter1: Units, Trigonometry. And Vectors
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The image contains the following question on an educational website:

1. (a) What is the average useful power output of a person who does \(7.0000 \times 10^6\) J of useful work in 7.0000 hr?

   \[
   P = \text{_____} \, \text{W}
   \]

(b) Working at this rate, how long will it take this person to lift 2100.0000 kg of bricks up a 1.5000-m platform? Hint: Work done to lift his body can be omitted because it is not considered useful output here.

   \[
   t = \text{_____} \, \text{s}
   \]

There are empty boxes next to \(P\) and \(t\) for users to input their answers.

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Transcribed Image Text:The image contains the following question on an educational website: 1. (a) What is the average useful power output of a person who does \(7.0000 \times 10^6\) J of useful work in 7.0000 hr? \[ P = \text{_____} \, \text{W} \] (b) Working at this rate, how long will it take this person to lift 2100.0000 kg of bricks up a 1.5000-m platform? Hint: Work done to lift his body can be omitted because it is not considered useful output here. \[ t = \text{_____} \, \text{s} \] There are empty boxes next to \(P\) and \(t\) for users to input their answers. At the bottom, there is a "Submit Answer" button followed by a line that reads: "Answering the question(s) helps us recommend your next activity." Below the main questions, there is a link: - "see other options - If you don’t want to answer the question right now" Another link is provided: - "View Forum Activities (0 new of 0)" This section is labelled "Powered by CogBooks."
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