INDICA CON UNA CRUZ, LA AFIRMACION CORRECTA: -Los seres vivos empleamos energía para llevar a cabo funciones vitales, como nutrición y
respiración.
-En el Sistema Internacional de unidades, la unidad de Energía es el KWh.
-Cuando decimos que la Energía se ha degradado es porque la energía inicial que se transformó en
térmica no puede recuperarse.
-El origen de todas las energías es la materia orgánica.
-La energía eólica, es un tipo de Energía.

Suppose that two tanks, 1 and 2, each with a large opening at the top, contain different liquids. a small hole is made in the side of each tank at the same depth 1.57 m below the liquid surface, but the hole in tank 2 has 2.49 times the cross-sectional area of the hole in tank 1. (a) what is the ratio ρ1/ρ2 of the densities of the liquids if the mass flow rate is the same for the two holes? (b) what is the ratio rv1/rv2 of the volume flow rates from the two tanks? (c) at one instant, the liquid in tank 1 is 14.9 cm above the hole. if the tanks are to have equal volume flow rates, what height above the hole must the liquid in tank 2 be just then?

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?