Un grupo de estudiantes de grado octavo han formulado la siguiente pregunta de investigación:
¿Cuál es el efecto de cambiar la carga eléctrica de un
objeto en la medida de la fuerza eléctrica?
Cual es la variable independiente y dependiente

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell