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.

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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