An adiabatic air compressor compresses 10 l/s of air at 120 kpa and 20 °c to 1000 kpa and 300 °c. determine the power required to drive the air compressor, in kw.

The equation that describes a transverse wave on a string is y = (0.0120 m)sin[(927 rad/s)t - (3.00 rad/m)x] where y is the displacement of a string particle and x is the position of the particle on the string. the wave is traveling in the +x direction. what is the speed v of the wave?

Which atomic model was proposed as a result of j. j. thomson’s work?

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?