¿Cómo será la fuerza de atracción de dos cuerpos cargados si uno de ellos duplica su carga? ¿y que sucedería si triplica la distancia entre ellas?

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?