What happens as a roller-coaster car rises up the first hill of its track? A.
is potential energy increases.
B. Its kinetic energy increases.
O C. Its potential energy decreases.
D. Both its kinetic and potential energy decrease.
SUBMIT

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products

6.4 cm (max) - 25 cm (min)