How do forest fires affect the earth's atmosphere?
a) wind strength is reduced due to the combination of heat and smoke.
b) the smoke from large forest fires makes breathing the air difficult.
c) the gases released from burning trees cleans out the co2 in the air.
d) the heated air above the forest fire causes more thunderstorms to form.

If the temperature were raised very high, classically what would we expect the heat capacity per object to be for this one-dimensional system? give a numerical value. chigh t = __ j/k/object (one reason for the discrepancy is that the high-temperature limit assumes that the number of oscillators is large (n > > 1), which is not the case in this tiny system.)

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.