One problem that fireplace designers try to solve is how to get more of the fire's heat into the room. Where does the rest of the heat go? Why?

Need only answer if you think you know it

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank