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 itscentripetal acceleration. (b) It continues to fly along the same horizontal arc but increases itsspeed at the rate of 1.20 m/s2. Find the acceleration (magnitude and direction) under theseconditions.