Two carts are connected by a 0.05 m spring. The cart hits a wall, compressing the spring to 0.02 m. The spring constant k is 100 N/m. What is the spring potential energy stored from the spring's compression?

An uncharged nonconductive hollow sphere of radius 18.0 cm surrounds a 12.0 µc charge located at the origin of a cartesian coordinate system. a drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. calculate the electric flux through the hole.

An object's buoyant force and weight mean the same thing.a. trueb. false

Why do astronauts in the space shuttle weigh less?