A thread holds two carts together on a frictionless surface as in the figure below. A
compressed spring acts on the carts. After the thread is burned, the 1.5 kg cart moves with
a velocity of 27 cm/s to the left. What is the velocity of the 4.5 kg cart?
Let m1 be the mass of the first cart (m1 = 1.5 kg), m2 - the mass of the second cart (m2 = 4.5 kg). V1 - velocity of the first cart, V2 - velocity of the second cart. According to the law of conservation of linear momentum:
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