The electric potential 5.54 m from a charge is -3680 V. What is the value of the charge? Include the sign, + or -.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.