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For a short time the arm of the robot is extending at a constant rate such that dr/dt = 1.4 ft/s when r = 2.7 ft, z = (472) f

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dr Y=2.17 1-4 ft /see de Fi = 22(4+2) At O=0.5t had Determine magnitude of velocity a trip A al tr 3.2 sec Ó = 0.5) ż = 4 ²=8

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