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Q. A 10-kg block is attached to spring A and connected to spring B by a cord and pulley. The block is held in the position shown with both springs unstretched when the support is removed and the block is released with no initial velocity. Knowing that the constant of each spring is 2 kN/m, determine (a) the velocity of the block after it has moved down 50 mm, (b) the maximum velocity achieved by the block.

Q. A grocery cart with mass of 12kg is being pusch at constant speed up a flt 15 degree ramp by force which act at an angle 17 degree below the horizontal line.

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