Two small nonconducting spheres have a total charge of 93.0 μc . part a
when placed 1.14 m apart, the force each exerts on the other is 10.3 n and is repulsive. what is the charge on each?
q1,q2=

part b
what if the force were attractive?
q1,q2=

What properties of a moving object are used in determining the object's energy of motion

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

An charge with mass m and charge q is emitted from the origin, (x,y)=(0,0). a large, flat screen is located at x=l. there is a target on the screen at y position y(h), where y(h) > 0. in this problem, you will examine two different ways that the charge might hit the target. ignore gravity in this problem. 1.assume that the charge is emitted with velocity v(0) in the positive x direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive y direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l. 2.now assume that the charge is emitted with velocity v(0) in the positive y direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive x direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l.