A battery with an emf of 3 V and an internal resistance of 0.3 is connected to a variable resistance R. Find the current and power delivered by the battery when R is

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

Match each scenario to the form of energy it represents

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same