A steam turbine is a device in which high-pressure steam enters the turbine and causes blades to spin. The
spinning blades have mechanical energy.
Which best describes what happens in the system?

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?