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A 10-Kg Block on a Horizontal Frictionless Surface Is Attached

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A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = 1.2 kN/m) .The block is initially at rest at its equilibrium position when a force (magnitude P) acting parallel to the surface is applied to the block,as shown.When the block is 8.0 cm from the equilibrium position,it has a speed of 0.80 m/s.How much work is done on the block by the force P as the block moves the 8.0 cm? A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = 1.2 kN/m) .The block is initially at rest at its equilibrium position when a force (magnitude P) acting parallel to the surface is applied to the block,as shown.When the block is 8.0 cm from the equilibrium position,it has a speed of 0.80 m/s.How much work is done on the block by the force P as the block moves the 8.0 cm?   A) 8.3 J B) 6.4 J C) 7.0 J D) 7.7 J E) 3.9 J


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