A helicopter is lifting off from the ground and is moving vertically upward. The

Question

A helicopter is lifting off from the ground and is moving vertically upward. The graph shows its vertical velocity vy versus time. How high is the helicopter after 12.0 s have elapsed?

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Explanation / Answer

Height = area of velocity vs time curve

H = (1/2)*2*6 + 4*6 + (1/2)*6*6 = 6 + 24 + 18 = 48 m

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