What does muscle fibers are contractile mean?

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.