Answer:
15m
Explanation:
vi = 0
vf = 10
a = -9.8
10^2 = 0 + 2(-9.8)(x2-x1) = -5.1
20-5.1 = 14.9m = 15m
The third option because the elements mentioned in that selection are in the same group, they must have similar properties.
Concentration of the reactant,pressure,surface
area of the reactant and temperatur
The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons.
