Aspherical, non-conducting shell of inner radius r1 = 10 cm and outer radius r2 = 15 cm carries a total charge q = 15 μc distributed uniformly throughout the volume of the shell. what is the magnitude of the electric field at a distance r = 12 cm from the center of the shell? (k = 1/4πε0 = 8.99 × 109 n ∙ m2/c2)

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

Atomic nuclei of almost all elements consist of