Ordena de mayor a menor según el valor de la energía en cada una dd las siguientes situaciones: A. Un cuerpo de masa 1,5kg que viaja a una rapidez de 5m/s
B. Un cuerpo de 7 kg de masa que está a 2 m de altura respecto a un nivel de referencia.
C. Un bloque que se desliza en una superficie con fricción, 4 minutos después de haberse puesto en movimiento.
D. Un péndulo de 1 kg de masa, que cuando está a 0,2 m del punto más bajo coma viaja con rapidez de 2 m/s
E. Un resorte con constante k = 560N/m que comprime 0,5 m.

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than