0 kg runs at a speed of 1. 80 m and it is rotating with an angular velocity of 0. 2 s, and the child sits at a radius of r=1. 80 m and it is rotating with an angular velocity of 0. 42 rev/s r= 2. ## Example Problem A playground merry-go-round has a radius of 2. 0-kg merry-go-round, which has a 1. A 1. 80 m and it is rotating with an angular velocity of 0. 500 rev/s. The platform. 5 m / s, and jumps on. 4 kg · m². 0 kilograms, 28. Consider the father pushing a playground merry-go-round in Figure 4. When the 16. What is its angular velocity (in rev/s) after a 16. . rev/sA 1. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 80 m has a mass of 120 kg and is rotating with an angular speed of 0. A 1. 80 m and it is rotating with an angular velocity of 0. an angular velocity of 0. 450 rev/s. 500 rev/s. 42 revis 1. 350 rev/s. Physics questions and answers. The merry-go-round shown is initially at rest, has a radius R = 1. 80 m and it is rotating with an angular velocity of 0. What is its angular velocity after a 22. 300 rev/s. A playground merry-go-round has a mass of 120 k g 120 mathrm{~kg} 120 kg and a radius of 1. 6 m from the axis. Expert Answer. 80 m and it is rotating with an angular velocity of 0. 0 kg child gets o; A playground merry-go-round has a mass of 120 kg and a radius of 1. A playground merry-go-round has a mass of 120 kg and a radius of 1. Initially the child is outside the merry-go-round and is not moving. A 1. Question: Ch 10 Problem 8: A playground merry-go-round with a mass of 120 kg and a radius of 1. 0 m and jumps on. 320 rev/s. The merry- go-round rotates with an angular velocity of 2. 0~ ext{kg}$ child gets onto it by grabbing its outer edge? The child is initially. 500 rev/s. (10\%) Problem 12: 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. 450 rev/s. (13%) Problem 7: A playground merry-go-round with a mass of 145 kg and a radius of 2. 0 kg kid comes running at it along a tangent line at speed 8. 80 m and it is rotating with an angular velocity of 0. Express your answer in revs/s. 8 m and a rotational inertia of 120 kg m2 is stationary. A 1. 80 m and it is rotating with an angular velocity of 0. 0-kg child gets onto it by grabbing its outer. There are 2 children who want to ride on it. A small boy of mass 47 kg runs tangentially to the merry-go-round at a speed of 1. 00 mathrm{~m} / mathrm{s}$ along a path that is. 0 kg and is rotating freely (no friction) with an angular velocity of 0. What is its angular velocity (in rev/s) after a 24. 500 rev/s. 500 mathrm{rev} / mathrm{s} 0. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. & rev / s A playground merry-go-round with a mass of 115 kg and a radius of 2. onto it by grabbing its outer edge?A playground merry-go-round with a mass of 130 kg and a radius of 1. A 1. What is the new angular speed of the merry-go-round?Question: (2) A playground merry-go-round with a radius of 1. 80 m and it is rotating with an angular velocity of 0. What is its angular velocity (in rev/s) after a 23. What is its angular velocity, in rev/s, after a 35. 25 has a mass of 0. 6 m. A playground merry-go-round has a mass of 100 kg and a radius of 1. 11. 50 m and it is rotating with an angular velocity of 0. 80 m and it is rotating with an angular velocity of 0. A playground merry-go-round has a mass of 120 kg and a radius. What is its angular velocity after a 22. 500 rev/s. 1 m is rotating with a frequency of 0. 164. 80 m and it is rotating with an angular velocity of 0. 5 m/s, and jumps on. 80 m and it is rotating with an angular velocity of 0. rev/s +A 1. 1 m is rotating with an angular frequency of 0. What is its angular velocity (in rev/s) after a 21. (a) determine. 5 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 0 m from its center. (a) Calculate the rotational kinetic energy (in J) in the merry-go-round plus child when they have an angular. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. If two 19 kg children are riding on the merry-go-round at the outer edge, what. P. He exerts a force of 250 N at the edge of the 50. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. Randomized Variables m; = 125 kg m2 = 23 kg 00i = 0. We have a merry-go-round that's spinning with a speed of 20 rpm and there are three children on the outer edge with masses 20. Tries 0/10 A playground merry-go-round with a mass of 120 kg and a radius of 1. 5 m What is the magnitude of its angular velocity, in radians per second, after a 26 kg child gets onto it by grabbing its outer. 40 m and it is rotating with an angular velocity of 0. 400 rev/s. 80 m and it is rotating with an angular velocity of 0. What is its angular speed after a 20. 300 rev/s. 9 rad/s. 500 revls. 500 rev/s. 1 meters, and a mass M = 211 kg. Find the angular velocity of the child and merry-go-round. Angular velocity of merry-go-round = 0. 80 m has a mass of 120 kg and is rotating with an angular speed of 0. MY NOTES | ASK YOUR TEACHER A playground merry-go-round has a mass of 120 kg and a radius of 1. 300~frac{ ext{rev}}{ ext{s}}$. The student starts running clockwise around the edge of the platform and attains a speed of 2. Sarah sees a playground merry-go-round platform that has a radius of 3. 0 N force tangentially to the edge of the merry-go-round for 15. 0 m from its center. 500 rev/s. Question: 62. 5 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 400 rev/s. What is its angular velocity after a 22. A playground merry-go-round has a mass of 115 kg and a radius of 2. 1 m has a mass of 50 kg. 310 rev/s. EX rev/s CamScannor. 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. A small boy of mass m = 42 kg runs tangentially to the merry-go-round at a speed of v = 1. 0 rev/min about a frictionless vertical axle. A child with a mass of 25 kg gets on and walks around the edge of the merry-go-round. 2. She then moves to the center of the merry-go-round. Image transcription text. Consider the father pushing a playground merry-go-round in Figure 10. 54) A 0. What is its angular velocity after a 16. 0. 5. 015 kg record with a radius of 15 cm rotates with an angular speed of. 80 m and it is rotating with an angular velocity of 0. 80 m and it is rotating with an angular velocity of 0. 0 m has a moment of inertia I = 250 kg⋅m^2 and is rotating at 10 rpm (revolutions per minute). What is its angular velocity after a 29. A playground merry-go-round has a mass of 120 kg and a radius. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 0 kg child gets o; A playground merry-go-round has a mass of 120 kg and a radius of 1. 0-kg merry-go-round, which has a 1. What is its angular velocity after a 25. You may ignore the size of the child. Transcribed image text: A. 0 mathrm{m} 4. 300rev/s. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. What is its angular velocity after a 23. 1 meters, and a mass M= 286 kg. The child was initially at rest. 6 m a 30 kg child sits on the outside edge of the merry go round. 6 m is rotating with a frequency of 0. 80 m and it is rotating with an angular velocity of 0. 0 radians per second. 400 rev / s. 00 m has a moment of inertia I = 250 kg m2 and is rotating at 10. reveA playground merry-go-round has a mass of 120 kg and a radius of 1. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 3 kg sits on the edge of a merry-go-round with radius 2. 80 mathrm{~m} 1. 58 rev/s. 44 rev/s. A child of mass 54. 24. 80 m and it is rotating with an angular velocity of 0. S. What is its angular velocity, in rev/s, after a 38. A playground merry-go-round has a mass of 120 kg and a radius of 1. 80 m and it is rotating with an angular velocity of 0. 58 rev/s r 2. 20 m. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. A 1. 360 rev/s. Answer. 420 rev/s. Pages 100+ Identified Q&As 100+ Solutions available. John's mass is 30 kg. 60 meters. 4rad/s 18. (a) Calculate the rotational kinetic energy (in J) in the merry-go-round plus child when they have an. A 1. 380 rev/s. 9 rad/s. What is its angular velocity, in rev/s, after a 30. 0 rev/min about a frictionless, vertical axle. 500 rev/s. The merry-go-round shown is initially at rest, has a radius R = I. What is its angular speed after a 36. 0 kg child gets onto a 1. 450 rev/s. 80 m and it is rotating with an angular velocity of 0. A child with a mass of 25 kg gets on and walks around the edge of the merry-go-round. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. What is its angular velocity (in rev/s) after a 25. What is its angular velocity (in rev/s) after a 19 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 450 rev/s. Assume the merry-go-round to be a solid disk. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. What is its angular velocity after a 22 kg child gets onto it by grabbing its outer edge? The child is initially at rest. Calculate the angular acceleration produced (a) when no one is on the merry-go-round and (b) when an 18. 80 m and it is rotating with an angular velocity of 0. an angular velocity of 0. If the boy suddenly jumpes on to the merry - go - round, the angular velocity acquired by the system is. 80-m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. Physics questions and answers. What is its angular speed after a 26. 450 rev/s. 0-kg merry-go-round, which has a 1. 0 m and has a moment of inertia I CM = 7. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 80 m and it is rotating with an angular velocity of 0. 80 m and it is rotating with an angular velocity of 0. (a) A 22. What was the angular velocity in rad/s before the child got onto the platform?A playground merry-go-round has a mass of 120 kg and a radius of 1. 0-kg merry-go-round, which has a 1. What is the mass of a child who gets onto it by grabbing its outer edge? The child is initially at rest. A small boy of mass m = 41 kg runs tangentially to the merry-go-round at a speed of v = 2. What is its angular velocity (in rev/s) after a 24. What centripetal force must she exert to stay on if she is 1. 80 m and it is rotating with an angular velocity of 0. 0 kg child use to hold on to the merry-go-round to keep from being slung off? That is, what centripetal force must the child's grasp provide?Physics questions and answers. Answer to 3 significant figures. A small boy of mass m = 49 kg runs tangentially to the merry-go-round at a speed of v. Answer: The final angular velocity is rev/s is 0. 0 kg child gets o; A playground merry-go-round has a mass of 120 kg and a radius of 1. A playground merry-go-round has a mass of 120 kg and a radius of 1. What is its angular velocity (in rev/s) after a 25. John runs tangent to the merry-go- round at 5. Question: (10%) Problem 9: A playground merry-go-round with a mass of 105 kg and a radius of 2. 0 m and has a moment of inertia I CM = 7. If the merry-go-round is initially at rest, what is the angular velocity after the boy jumps on? A playground merry-go-round has a mass of 120 kg and a radius of 1. 5 kg child gets onto it by grabbing its outer edge? The child is initially at rest. . Solution). 7 m What is the magnitude of its angular velocity, in radians per second, after a 21 kg child gets onto. 0 − kg child gets onto it by grabbing its. Randomized Variables mj=110 kgm2=24 kgf1=0. 5 m/s and jumps on. A playground merry-go-round has a mass of 120 kg and a radius of 1. What is its angular velocity. What is its angular velocity (in rev/s) after a 20. View the full answer Step 2. 4 m and a moment of inertia of 120 kg m2. 7 m What is the magnitude of its angular velocity, in radians per second, after a 21 kg child gets onto. 7 m is rotating with an angular frequency of 0. 558rev/s. Physics questions and answers. 390 rev/s. 25 m away from the center. part a) A playground merry-go-round has a mass of 120 kg and it is rotating with an angular velocity of 0. A 25kg child sits on the merry-go-round 2/3's of way out from center. What is its angular velocity(rev/s)after a 22. Calculate the angular acceleration produced (a) when no one is on the merry-go-round and (b) when an 18. A playground merry-go-round has a mass of 120 kg and a radius of 1. Facing the axle, a 26. 8 m and a rotational inertia of 120 kg m^2 is stationary. The child is initially at rest. Please answer in units of rad/sec. 0 kg and is rotating freely (no friction) with an angular velocity of 0. (a) Calculate the rotational kinetic energy (in J) in the merry-go-round plus child when they have an angular velocity of 21. (You may model the hands as long, thin rods rotating about one end. 0-\mathrm{kg} 22. What is its angular velocity (in rev/s) after a 19. John's mass is 30 kg. Text Solution. 0-kg merry-go-round, which has a 1. What is the tangential acceleration, in m/s2, of a point on the edge of the disk at the instant that its angular speed is 1. 550 rev/s. A playground merry-go-round (a solid disk) has a mass of 120 kg and a radius of 1. 2rad/s C. 48 revis Randomized Variables m = 130 kg y = 26 kg ; = 0. 0. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 00 m has a moment of inertia I = 250 kgm2 and is rotating at 10. Physics Physics questions and answers A playground merry-go-round has a mass of 120 kg and a radius of 1. 0 kg child gets onto it by grabbing its. What is its angular velocity, in rev/s, after a 32. 500 rev/s. 0 m from the central axis. 500 rev/s. 0 m rotates, starting from rest, with a constant angular acceleration of 20. What is its angular velocity (in. 2. 600 rev/s. Tutorial A 1. 00 m from the house. She gets it rotating up to an angular velocity of 2. What is its angular velocity after a 20. 5 m and mass 80kg. The merry-go-round is a solid disk, and the moment of inertia is = 1/2 MR2. A playground merry-go-round has a mass of 120 kg and a radius of 1. 46 rev/s. 20 m and mass 190 kg. 80 m and it is rotating with an angular velocity of 0. 0 m from its center. 0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 280 kg, is spinning at 16 rpm. In a playground, there is a small merry-go-round of radius 1. 4 meters, and a mass M-246 kg. 80 m and it is rotating with an angular velocity of 0. What is its angular velocity (in rev/s) after a 27. 80 m and it is rotating with an angular velocity of 0. Question: A playground merry-go-round has a mass of 120kg and a radius of 1. 5 - kg child gets onto it by grabbing its outer edge? The child is initially at rest. ^ Chegg survey fielded between April 23-April 25, 2021 among customers who used Chegg Study and Chegg Study Pack in Q1 2020 and Q2 2021. I disk. What is its angular velocity after a 27. Mass of menny go round M = 120 kg . 350 rev/s. 5 kg child gets onto it by. rev/sA playground merry-go-round with a mass of 110 kg and a radius of 2. i. What is the angular velocity after a 22. 00 m and a mass of 500. What is its angular velocity after a 22. 350 rev/s. 0 kg and is rotating freely (no friction) with an angular velocity. 350 rev/s. What is its angular velocity, in rev/s, after a 28. A playground merry-go-round of radius R = 2. Randomized Variables m₁ = 120 kg m₂ = 23 kg f₁=0. From the conservation of angular momentum, we can write the following expression: A playground merry-go-round with a radius of 1. onto it by grabbing its outer edge? A 1. 56 rev/s r = 2. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 80 m and it is rotating with an angular velocity of 0. The propeller can be approximated by a single rod rotating about its center of mass. Find step-by-step Physics solutions and your answer to the following textbook question: In a playground, there is a small merry-go-round of radius $1. 4 m/s, and jumps on. What is its angular speed after a 27. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest and take merry-go-round as a uniform disk. 293 rev/s. What is the tangential acceleration, in m/s2, of a point on the edge of the disk at the instant that its angular speed is 1. What is its angular velocity (in rev/s) after a 28. I got 1. A 59. 0 kg and 100 kg, respectively. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. Randomized Variables m; = 105 kg m2 = 17 kg c= 0. 5 m * What is the magnitude of its angular velocity, in radians per second, after a 23 kg child gets onto it by grabbing its outer edge?A 1. 80 m and it is rotating with an angular velocity of 0. 3 m/s and jumps on. The merry-go-round shown is initially at rest, has a radius R = 1. 480 rev/s. 58 or 2. It can be treated as a disk which rotates about the center. 0 cm. What is its angular velocity, in rev/s, after a 35. What is its angular velocity (in rev/s) after a 27. 0 kg child gets onto it by grabbing its outer edgeA playground merry-go-round has a mass of 120 kg and a radius of 1. From the conservation of angular momentum, we can write the following expression: A playground merry-go-round with a radius of 1. 260 rev/s. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. A playground merry-go-round has a mass of 120 kg and a radius of 1. 44 rev/s r= 2. 00 m is suspended from a horizontal bar so it is free to swingA playground merry-go-round has a mass of 120 kg and a radius of 1. A child of mass 44. 80 m and it is rotating with an angular velocity of 0.