Al frotar dos objetos, estos quedan cargados eléctricamente. Si el objeto quedó cargado positivamente, el objeto tuvo que: (OA8) * A. Ganar protones.
B. Perder protones.
C. Ganar electrones.
D. Perder electrones.
ayudaaa toi en prueba y no entiendo un choto

Blank liquids and gases exert a buoyant force on objects placed in them

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units