A hockey player applied an average force of 80N to a 0.25kg hockey puck for a time of 0.2s. Determine the impulse experienced by the hockey puck

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.