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Physical Science

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Two people who weigh the same climb a flight of stairs. The first person climbs thestairs in 30s, while the second person climbs them in 40s. Which does more work? Which uses more power?

  • Physical Science -

    faster, more power ( power=work/time)

    same height , same work (work=mgh)

  • Physical Science -

    The one that is fastest has more power, and as for the work, it depends on the mass of each person and the height of the flight of stairs.

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