Physics, 16.04.2021 20:30 Dhejxbdbbxbdbbx
An electromagnet is a coil of wire with a current running through it. This creates an electromagnetic field. An additional magnet and its poles interact with the electromagnet, causing an electromagnetic motor to turn. What are some ways you could make an electromagnetic motor stronger, and how could you apply these principles to everyday life? In three to five sentences, explain this phenomenon in real life and hypothesize about how you could strengthen it.
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In raising a 6200-n piano with a pulley system, the movers note that, for every 2.2 m of rope pulled down, the piano rises 0.12 m . ideally, find the force required to lift the piano.
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Determine the maximum r-value of the polar equation r =3+3 cos 0
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