Author Question: Suppose the energy density from a charge has a value at a position 3 meters away from a point ... (Read 40 times)

tnt_battle · **on:** Jul 28, 2018

Suppose the energy density from a charge has a value at a position 3 meters away from a point charge. If the charge is quadrupled, by what factor does the energy density change at the same position 3 meters away?
a. 8/3
c. 4
b. 4/9
d. 16

Question 2

If a nonzero torque is applied to an object, that object will experience:
a. a constant angular speed. c. a constant moment of inertia. b. an angular acceleration.
d. an increasing moment of inertia.