the potential energy of a system is given by ������(������,������,������)=2����� �������2 ������������ . find the x, y, and z components of the force. what is the magnitude of the force at ������⃗=(2������,1������,−4������).

The ph is the a.independent variable b.the dependent variable c.control group

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.