Después de una colisión completamente elástica, dos pelotas de masas m 1 = 0,8 kg y m 2 = 1,2 kg, rebotan con velocidades de 2,5 m/s y -3 m/s respectivamente. ¿Cuáles eran las velocidades de las 2 pelotas antes de la colisión?

answer: good job it's all correct !

explanation:

need to see circuit to get time constant

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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