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Horse power homework help

  1. Nov 18, 2007 #1
    An elevator is running with a 25hp motor. to double the lift speed a ____ hp motor is required.

    To double the lift speed should we just times 25 by 2 and get 50hp motor. Or is there something more to this.
     
  2. jcsd
  3. Nov 18, 2007 #2
    How does power relate to speed? You aren't necessarily wrong or right, but you should be wrong or right for the correct reasoning.
     
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