Examine the forces acting on a car on a ramp. Select the forces or force components that need to be added together to calculate the net force in the x-direction. Check all that apply.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?