Task id8869

Task id8869

Prism 1, having mass m, was placed on prism 2, having mass 3m (Fig. 53). The upper prism began to slide along the lower one and at some point in time moved along it with a speed vrel. What speed did the lower prism have at this moment? (Prisms and the horizontal plane are considered smooth.)

Additional information:

Detailed solution. Format png