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The figure below shows a particle initially at point A traveling in the +x-direction. It turns...

The figure below shows a particle initially at point A traveling in the +x-direction. It turns in a circular path at constant speed until it is traveling in the +y-direction at point C. The quarter-circle arc from A to C is 241 m in length, and the particle moves from A to C in 40.0 s. Point B on the path is 35.0° below the x-axis.

a.) what is the speed of the particle.

b.) what is the magnitude of the acceleration when the particle is at point B.

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