The 250-lb concrete block (A) is released from rest in the position shown and pulls the (400-mathrm{lb}

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The 250-lb concrete block \(A\) is released from rest in the position shown and pulls the \(400-\mathrm{lb} \log\) up the \(30^{\circ} \mathrm{ramp}\). If the coefficient of kinetic friction between the log and the ramp is 0.5 , determine the velocity of the block as it hits the ground at \(B\).

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