HELP PLZ Which of the following describes the mechanical energy of a cart at rest at the top
of a steep hill?
a) The cart has no mechanical energy
b) The cart's mechanical energy is all kinetic.
c) The cart's mechanical energy is all potential.
d) The cart's mechanical energy is half potential and half kinetic.

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest