Una masa de 4 kg se encuentra a una distancia de 8 cm de una masa de 2 kg. Calcule la fuerza de atracción gravitacional entre las dos masas.

Write the correct abbreviation for each metric unit

Which accurately compares concave and convex lenses?

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer