If the charges are both positive and are equal in magnitude, what is the direction of the electric field at the origin?.

Can anybody me with this? ? (picture included.)

Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped