Un trabajador ejerce un empuje de 515N para mover una carga de 640N por una rampa de 10.Si el coeficiente de friccion es de 0.40 y la longitud de la rampa es de 4.5m

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic