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The position of a helicopter of weight=2.75 X 10^5N is r=(0.020m/s3)(t3)i + (2.2 m/s)(t)j - (0.060m/s2)(t2)k. What is the net force on the helicopter at t=5.0s?
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The position of a helicopter of weight=2.75 X 10^5N is r=(0.020m/s3)(t3)i + (2.2 m/s)(t)j - (0.060m/...
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