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GUIA DE ACTIVIDADES Nº2
1.- Dos bloques de masas m1 y m2 están conectados mediante un resorte ligero en una mesa horizontal sin fricción. Encuentre la relación de sus aceleraciones, a1 y a2, después de que se separan y luego se sueltan
A) a1• m2 = m1 C) a1/a2 = m2/m1
a2
B) a2 = m2 • a 1 D) m1 • a2 = m2 • a1
m1
E) m1/m2 = a1/a2
2.- Una fuerza de 10 Nt, horizontal, se aplica a los bloques A y B; los cuales se pueden mover sobre la superficie, sin roce. La masa de A son 6 Kg y la masa de B son 4 kg.
Cuanto vale la aceleración de A y de B? (en m/seg. 2)
A) a A = aB = 1
B) aA : aB = aB : 1
C) aA = 5/3 ; aB = 5/2
D) aA : aB = 1:5
E) N. A.
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Enviado por: Thor Idioma: castellanoPaís: Chile