Physics, 08.10.2019 04:30 pizzaboy62

The blade of a windshield wiper moves through an angle of 90.0° in 0.28 s. the tip of the blade moves on the arc of a circle that has a radius of 0.5 m. what is the magnitude of the centripetal acceleration of the tip of the blade?

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The blade of a windshield wiper moves through an angle of 90.0° in 0.28 s. the tip of the blade move...