A shaft is to be designed to transmit 10kW of power at 2000rpm. The shear stress must be kept below 300MPa and the shear modulus is 75GPa. The shaft is 1m long and must have less than 2표of rotation from end to end. Determine the minimum required diameter.

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.

Current from a charged capacitor lights a bulb. as time goes on the brightness of the

Atank is filled with an ideal gas at 400 k and pressure of 1.00 atm . part a the tank is heated until the pressure of the gas in the tank doubles. what is the temperature of the gas?