How much work is done (by a battery, generator, or some other source of potential difference) in moving Avogadro's number of electrons from an initial point where the electric potential is 6.50 V to a point where the electric potential is -8.10 V? (The potential in each case is measured relative to a common reference point.)Two insulating spheres have radii 0.300 cm and 0.500 cm, masses 0.150 kg and 0.700 kg, and uniformly distributed charges of -2.00 µC and 3.50 µC. They are released from rest when their centers are separated by 1.00 m. (a) How fast will each be moving when they collide?
How much work is done (by a battery, generator, or some other source of potential difference) in moving
m/s (lighter sphere)
m/s (heavier sphere)
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