cuando una masa de 500g cuelga de un resorte este se alarga 3cm ¿cual es la constante elastica? ¿cual es el incremento del alargamiento en el resorte si se cuelga una masa adicional de 500g dejbajo de la primera?

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Is laundry detergent an acid or a base?

Geothermal energy for industrial use is available almost anywhere. a.true b.false