25 ! a 7.2 × 10^–5 c charge has an electric potential energy of 1.08 × 10^–2 j. the electric potential, to the nearest whole number, is v?

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?