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A hawk flies in a horizontal arc of radius 12.0 m at a constant speed of 4.00 m/s. (a) Find its centripetal acceleration.

A hawk flies in a horizontal arc of radius 12.0 m at a constant speed of 4.00 m/s. (a) Find its
centripetal acceleration. (b) It continues to fly along the same horizontal arc but increases its
speed at the rate of 1.20 m/s
2
. Find the acceleration (magnitude and direction) under these
conditions.

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