Steam moves into a cylinder of a steam engine at a constant pressure and does 2.34 j of work on a piston. the diameter of the piston is 3.4 cm and the piston travels 4.6cm. what is the pressure of the steam?

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?