What is the net result of the three methods of heat flow (conduction, convection, radiation) and should that net result always occur?

What is the rate of change in a objects position?

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db

The law of reflection states that the angle of reflection is equal to the angle of