Marcus made a model of a lever in the model what does the arrow represent?

The total amount of energy contained in an object

How much work would it take to move a coulomb charge across a 4 volt potential difference?

Aheat engine that operates on a carnot cycle has an efficiency of 0.420 when its low-temperature reservoir is at 10 ∘c.part aby how many degrees celsius must you increase the temperature of the high-temperature reservoir to increase the efficiency to 0.600 if you continue to use the same low-temperature reservoir?