When water fills a submarine’s flotation tanks, what happens to the submarine?

the buoyant force is reduced.

its overall density decreases.

its overall density increases.

its overall density stays the same

What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form