Thanks for the welcome and sorry about part c not having a question, it asks for the efficiency of the motor if it can lift .012 kg 1 meter in 60 seconds. I came up with the change in potential energy of the mass which equals the work done by the motor and divided it by the energy supplied to...
Homework Statement
A student is asked to supply an electric motor with 1.0 mA of current at 3.0 V potential difference.
a. Determine the power to be supplied to the motor.
b. Determine the elctrical energy to be supplied to the motor in 60s.
c. Operating as designed, the motor can lift a...