Two charged objects have a repulsive force of 0.050 N. If the charge of one of the objects is doubled, then what is the new force?

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

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

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?