Block A has a mass of 2.87 kg and block B has mass 1.98 kg. Block B is at the height ℎ = 1.50 m when the blocks are released from rest. Determine the speed of block B just before it bumps into the ground:
(a) if block A slides frictionlessly along its horizontal planet; and
(b) if the sliding friction number between block A and the ground is 0.18.
(Assume that the string and pulley have negligible masses and that the pulley can rotate free.)
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Block A has a mass of 2.87 kg and block B has mass 1.98 kg.
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