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Two forces, of magnitudes F1 = 95.0N and F2 = 35.0N , act in opposite directions on a block, which sits atop a frictionless surface, as shown in the figure. Initially, the center of the block is at positionxi = -1.00cm . At some later time, the block has moved to the right, and its center is at a new position, xf = 3.00cm .
Part AFind the work W1 done on the block by the force of magnitude F1 = 95.0N as the block moves from xi = -1.00cm to xf = 3.00cm .
Part B
Find the work W2 done by the force of magnitude F2 = 35.0N as the block moves from xi = -1.00cm to xf = 3.00cm .
Part C
What is the net work Wnet done on the block by the two forces?
Part D
Determine the change Kf-Ki in the kinetic energy of the block as it moves from xi = -1.00cm to xf = 3.00cm.
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