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Which motor performs more work
Which motor performs more work in the same amount of time- a 10 kW or a 20 kW motor? Explain your reasoning.
Power masures work
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Anonymous
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An electric motor having a mass of 220 kg is to be lifted a vertical distance of 8.75m.
Draw a labelled diagram to represent
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asked by
mar
335 views
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
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asked by
Anonymous
804 views
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
2 answers
asked by
ade
788 views
3. Briefly describe the role each of the following structures plays in motor control, and explain how they work together to
1 answer
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A 900W motor is used to lift 275.51kg of bricks a distance of 30, to the roof of the building.
a. If the motor ran for 90s how
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asked by
Jacie
596 views
The efficiency of an electric motor is 20 %. When lifting a body 500 J of energy are wasted. What is the useful work done by the
5 answers
asked by
flirtyme
5,864 views
An electric motor is used to lift a load of bricks through a vertical height of 20m.the tension in the cable attached to the
1 answer
asked by
Wendy
916 views
During a certain period of time, an electrical motor receives 9x10^5 kJ of electrical energy (a form of work) and produces
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asked by
Amy
463 views
A small motor draws a current of 1.76 A from a 110 V line. The output power of the motor is 0.20 hp.
(a) At a rate of $0.060/kWh,
1 answer
asked by
julie
1,209 views