The jar had the same volume in every trial. why did the volume of displaced water vary?

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

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?