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Determining the distance travelled by the tip of a blade and magnitude of the acceleration of a point.

Kinematics of a Rigid Body

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

2364_the tip of a blade.jpg

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