If a tree falls in the woods and nobody is there to hear it, does it really make noise

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic