Help!! I really don't know how to resolve it Two identical small electrified balls are not repelled. After being brought into contact and fixed at a distance of 1.25 times greater, their intersecting force did not change. What was the load, the first ball, if the second had a load equal to 1μC? The answer should be: 4μC; 0.25μC;

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge