100 W power supply.  What is the maximum speed the motor could lift a 10 kg mass straight up?  What is the maximum speed the motor could move the 10 kg mass across a frictionless surface?  (This second question can only be answered in terms of the force that the motor applies to the mass.  So, I should have added something like:  Assume th

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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An electric motor that is 98% efficient runs off of a 100 W power supply.  What is the maximum speed the motor could lift a 10 kg mass straight up?  What is the maximum speed the motor could move the 10 kg mass across a frictionless surface?  (This second question can only be answered in terms of the force that the motor applies to the mass.  So, I should have added something like:  Assume the electric motor is attached to the mass by a cable that has a maximum force tension of 3 kN.)

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