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The original angular velocity of the blade is ω0 = 0.5 rad/s. After 3 seconds, the blade is turning with an angular velocity of ω = 2 rad/s as shown in the diagram. Calculate the distance point P on the tip of the blade has traveled in 3 sec. Also, find the magnitude of the acceleration of point P when t = 3 sec?

519_tip-of-the-blade.jpg

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