annette211pdd8v9

11.12.2019 • 

Physics

The electric-power industry is interested in finding a way to store electric energy during times of low demand for use during peak-demand times. one way of achieving this goal is to use large inductors. part a what inductance l would be needed to store energy e=3.0kwh (kilowatt-hours) in a coil carrying current i=300a? view available hint(s) ll l = nothing h provide feedback

Ответ:

amastar

15.09.2022

Physics

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Mass(m)=1200 kg, velocity(v)=20 m/s, centripetal force(fc)=6000 n

fc=mv²/r; r= mv²/fc = (1200×20)/6000 = 4 meters. 

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