Wo objects is 100 n.
if the mass of each object is doubled, what is the
gravitational force between the objects at the same
distance?
25 n
50 n
200 n
400 n

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.

Which of the following is another term for a planned economy

Why do atoms emit energy of only specific wavelengths