The field lines around one end of a bar magnet are shown below. A vertical box labeled with a question mark. Curved lines with arrowheads point into the top of the box from the top and sides.

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

Most short-period comets do not have randomly oriented orbits because

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?