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A coil that has a resistance R and an inductance L has a power factor equal to 0.866 when driven at a frequency of 44Hz. What is the coil's power factor if it is driven at 176 Hz?
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What is the (average) acceleration of a vehicle which speeds up from 22 m/s to 88 m/s in 21.2 seconds? please provide work to explain
Question: A proton is accelerated from rest through a potential difference V0 and gains a speed v0. If it were accelerated instead through a potential difference of 2V0, it would gain a speed...?
Question: A skydiver has his parachute open and is floating downward through the air at a constant speed. Identify all the forces acting on the system skydiver-parachute. Check all that apply. Weight, w? Normal force, n? ...
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