The thin-walled cylindrical pressure vessel is subjected to an internal pressure of 15 mpa. the vessel is 3m long, has an inner radius of 0.5 m, and a thickness of 10 mm. it is constructed of structural a-36 steel. compute the final diameter and the length of the pressure vessel.

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

Which notation is used to represent an alpha particle? a. b. c. d.

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy