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Question: The blade of a windshield wiper moves through an angle of 90.0Â° in 0.366 s. The tip of the blade moves on the arc of a circle that has a radius of 0.367 m.

Part A: What is the magnitude of the centripetal acceleration of the tip of the blade?

I need help to find the magnitude of the centripetal acceleration of the tip of the blade.

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