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Posted by on Tuesday, February 26, 2013 at 8:12am.

motor A lift a steel bar 5000N upward at a constant 2m/s. motor B lift 4000N steel bar upward at a constant 3m/s. which motor is supplying more power?

  • physics - , Wednesday, February 27, 2013 at 9:19pm

    Motor A: P = 5000 * 2 = 10000 J/s.
    Motor B: P = 4000 * 3 = 12000 J/s.

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