Kevin draws a figure that has 4 sides all sides have the same length his figure has no right angels what figure does he draw

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?

How are positive ions different from neutral atoms

What instrument is used to measure liquid volume?