A system 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?
93 j
0973 j
107 j
1170 j

An electric current is flowing through the cord below. what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

Ain is , is 's of ? 0.62 0.79 1.27 1.50