A ring has a radius of 71 cm. It has 10 more protons than electrons. This net charge is distributed uniformly over it. What is the electric field at point P, which is on the axis of the ring, and 83 cm from its center? I think you use the equation: (8.99*10^9)* (zQ) / ((z^2+R^2)^3/2)

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe