Which experiment best shows water's ability to act as a solvent?

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

What properties of a moving object are used in determining the object's energy of motion

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.