¿a qué altura debemos elevar un cuerpo de 10kg para que tenga una energía potencial que sea igual a la energía cinética que tiene otro cuerpo de 5kg moviéndose a una velocidad de 10m/s?

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Another word for electromagnetic energy is a. heat b. force c. matter d. radiation