Question

A 3kg. package slide down a smooth 30 degrees incline and land on a 10 kg. cart that is at rest.Determine the velocity of the cart and the package immediately after the box land on the cart. The package is released from rest 5m up the incline.

Answer 1

h = 5*sin30 = 2.5 m.

V^2 = Vo + 2g*h.
V^2 = 0 + 19.6*2.5 = 49.
V = 7 m/s.

Answer 2

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