If joe is stopped at a red light and then speeds up to 25 m/s what was his average acceleration

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?

The air that we breath is made mostly of which gaseous molecule

Atomic nuclei of almost all elements consist of