A 16 kg box is sitting at rest on the floor. Then a person decides to slide the box across the floor for a distance of 5 meters. The force applied by the person is 150 N and the force of friction is 55N. How much work is being done on the box by the person? How much energy is being dissipated by friction?

High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

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