Abaseball has a mass of 0.145 kilograms, and a bowling ball has a mass of 6.8 kilograms. what is the gravitational force between them if their centers are 0.5 m apart?

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2