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A chair lift carries people of average mass 75kg to a height of 450m above the starting point. Calculate a) the work done by the chair lift to move one person through 450m. b) the power expended to carry 60 people every 5 minutes.

  • Physics - ,

    a) M*g*H joules per (average) person
    b) 60*M*g*H/300 s

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