(8%) Problem 7: A small child of mass m = 26 kg is swinging on a swing. The length from the top of the swing set to the seat is L = 4.8 m. The boy is attempting to swing all the way around in a full circle. Otheexpertta.com & 33% Part (a) What is the minimum speed, in meters per second, the boy must be moving with at the top of the path in order to make a full circle? Grade Summary V= Deductions Potential 100% sing COSO tan( 1 7 HOME Submissions cotan() asing acos() Attempts remaining: 5 atan( acotan( sinh( 2 3 (0% per attempt) detailed view Cosho tanh() cotanho + END O Degrees O Radians VO BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. & 33% Part (b) Assuming the boy is traveling at the speed found in part (a), what is their apparent weight, W. in newtons, at the top of their path? (At the top, the boy is upside-down.) & 33% Part (c) If the velocity at the bottom is the same as the velocity at the top from part (a), what is the boy's apparent weight, in newtons, at the very bottom of the path?(8%) Problem 8: A 26 kg child is riding a playground merry-go-round that is rotating at 39.4 rev/min. &25% Part (a) What net force is acting on her if she is standing on the merry-go-round 1.3 m from its center in newtons? The net force in this situation is sometimes called "centripetal force". Grade Summary Fal = Deductions Potential 100% sing Cost tan( 1 7 Submissions cotan( ising acos() E 5 Attempts remaining: 5 atan() acotan( sinh( 3 (0% per attempt) detailed view cosho tanh() Cotanho + END Degrees O Radians VO BACKSPACE DEL. CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. & 25% Part (b) What net force (in N) is acting on her if she is standing on an amusement park merry-go-round that rotates at 2.6 rpm and she is 8.I m from its center? &25% Part (c) How many times her weight is the force in part (a)? & 25% Part (d) How many times her weight is the force in part (b)