A very long solid insulating cylinder has radius R = 0.1 m and uniform charge density ρ0= 10-3 C/m3. Find the electric field at distance r from the axis inside the cylinder in terms of r/R.

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

As the distance from a magnet increases, what happens to the magnet force?