How can a submarine obtain neutral buoyancy?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Asystematic approach to problem solving is called a (an)

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions