Homework Statement
The internal energy of a gas is 600 J. The gas is compressed adiabatically, and its volume decreases by 400 cm3. If the pressure applied on the gas during compression is 4 atm, what is the internal energy of the gas after the adiabatic compression?
Homework Equations...
Homework Statement
An object is restricted to movement in 1-D. Its position is specified along the x-axis. The potential energy of the object as a function of its position is given by U(x)= a(x4 − 2b2x2), where a and b represent positive numbers. Determine the location(s) of any equilibrium...