Suppose that two objects attract each other with a gravitational force of 32 newtons. if the distance between the two objects is doubled, what is the force of attraction between them? a) 8 n b) 16 n c) 32 n d) 64 n

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

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

The amount of potential energy possessed by an elevated object is equal to what?