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physics

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A 86-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.2 m/s in 0.86 s

what does the spring scale measure in the first .86 seconds of the elevator's ascent?

  • physics -

    acceleration= changevelocyt/time figure that out.

    scale reading= mg+ma

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