Asystem uses 49 j of energy to do work, and the change in internal energy is 58 j. how much heat was added to the system?

9 j
97 j
107 j
117 j

What is the momentum of a 2 kg object moving at 15 meters per second

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point