Asmall shpher with charge q_a = +5.70 mu c is at the origin, and a second sphere with charge q_b = -3.20 mu c is loaded at x = 2.50 m. at what finite distance from the origin is the electric field equal to zero?

How are calculation for velocity and speed different

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane