Three significan figures

Part A A child sitting 1.20 m from the center of a merry-go- round moves with a speed of 1.65 m/s . Calculate the centripetal acceleration of the child. Express your answer using three significant figures. IVO AEQ 0 8 ? aR = m/$2 Submit Request Answer V Part B Calculate the net horizontal force exerted on the child. (mass = 26.5 kg ) Express your answer using three significant figures. IVO AEQ ? FR = N Submit Request