move the slider on the battery to give it some voltage what do the particles moving through the coil of wire represent

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.

Which type of energy is transferred by convection currents?