Acruise ship makes its way from one island to another. the ship is in motion conpared with which reference points

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.

Abearing is designed to a reduce friction b. support a load c. guide moving parts such as wheels, shafts and pivots d. all of the above

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of