The term heat most accurately describes (5 points)
select one:
a. the internal energy of an object
b. the average kinetic energy of the molecules of an object
c. the absolute temperature of an object
d. the flow of energy due to a temperature difference

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

What can you increase the strength of an electromagnet by