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An electric motor runs at a constant rotational frequency of 3000 r/min and has the load of

75 Nm and a 5,0 Nm extra load of friction and gear. The efficiency of the motor is 78%. a)
What is the input power of the motor? b) What is the work done by the motor in 24 hours
and c) what is the total electrical energy needed in 24 hours?

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