Problem 4: A merry-go-round is a playground ride that consists of a large disk mounted to that it can freely rotate in a horizontal plane. The merry-go-round shown is initially at rest, has a radius R = 1.1 meters, and a mass M= 286 kg. A small boy of mass m = 41 kg runs tangentially to the merry-go-round at a speed of v = 2.5 m/s, and jumps on. Randomized Variables R= 1.1 meters M= 286 kg m = 41 kg v = 2.5 m/s Part (a) Calculate the moment of inertia of the merry-go-round, in kg m m2. I= 1()7 89 E A 4 sin() cos() tan() HOME cotan() asin() acos() 5 6 atan() acotan() sinh() 2 3 cosh() tanh() cotanh() END - O Degrees Radians VO BACKSPACE DEL CLEAR Feedback I give up! Submit Hint Part (b) Immediately before the boy jumps on the merry go round, calculate his angular speed (in radians/second) about the central axi merry-go-round. Part (c) Immediately after the boy jumps on the merry go round, calculate the angular speed in radians/second of the merry-go-round a Part (d) The boy then crawls towards the center of the merry-go-round along a radius. What is the angular speed in radians/second of t go-round when the boy is half way between the edge and the center of the merry go round? +
Problem 4: A merry-go-round is a playground ride that consists of a large disk mounted to that it can freely rotate in a horizontal plane. The merry-go-round shown is initially at rest, has a radius R = 1.1 meters, and a mass M= 286 kg. A small boy of mass m = 41 kg runs tangentially to the merry-go-round at a speed of v = 2.5 m/s, and jumps on. Randomized Variables R= 1.1 meters M= 286 kg m = 41 kg v = 2.5 m/s Part (a) Calculate the moment of inertia of the merry-go-round, in kg m m2. I= 1()7 89 E A 4 sin() cos() tan() HOME cotan() asin() acos() 5 6 atan() acotan() sinh() 2 3 cosh() tanh() cotanh() END - O Degrees Radians VO BACKSPACE DEL CLEAR Feedback I give up! Submit Hint Part (b) Immediately before the boy jumps on the merry go round, calculate his angular speed (in radians/second) about the central axi merry-go-round. Part (c) Immediately after the boy jumps on the merry go round, calculate the angular speed in radians/second of the merry-go-round a Part (d) The boy then crawls towards the center of the merry-go-round along a radius. What is the angular speed in radians/second of t go-round when the boy is half way between the edge and the center of the merry go round? +
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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