A 5.0-kg sphere is suspended by a massless wire of length 2.0 m. The sphere is set into a swinging motion by being pulled to the side and released. At the bottom of its swing, the sphere is moving at 3.0 m/s. What is the tension in the wire when the sphere is at this lowest position?

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

The mantle is made up of which structural zones?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples