600 rev/s. 450 rev/s. rev/s. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 80-m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 500 rev/s. 36 min. What is its angular velocity (in rev/s) after a 22. 250 rev/s. A playground merry-go-round has a mass of 120 kg and a radius of 1. There is negligible friction about this vertical axis. 1 m What is the magnitude of its angular velocity, in radians per second, after a 18 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 3 m. John's mass is 30 kg. From the conservation of angular momentum, we can write the following expression: A playground merry-go-round with a radius of 1. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. . 2 meters, and a mass M = 211 kg. 1) A playground merry-go-round has a mass of 120 kg and a radius of 1. 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 hops onto the merry-go-round and manages to sit down on the edge. 60 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. A 28. 0 m and has a moment of inertia I CM = 7. What is its angular velocity (in rev/s) after a 28. 80 m and it is rotating with an angular velocity of 0. ----- rev/sA playground merry-go-round has a mass of 120 kg and a radius of 1. Science. 80 m and it is rotating with an angular velocity of 0. 1 meters, and a mass M = 211 kg. Physics for Scientists and Engineers: Foundations and Connections. A small boy of mass 47 kg runs tangentially to the merry-go-round at a speed of 1. 450 rev/s rotational velocity. 50-m radius. 0 kg child gets o; 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 21 kg child gets onto it by grabbing its outer edge? Learning Objectives By the end of this section, you will be able to: Apply conservation of angular momentum to determine the angular velocity of a rotating system in which the moment of inertia is changing Explain how the rotational kinetic energy changes when a system undergoes changes in both moment of inertia and angular velocity A boy of mass 50 kg runs tangent to the rim at a speed of 4. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 500 rev/s. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 340 rev/s. A playground merry-go-round has a diameter of 3. 1 rad/s. 80 m and it is rotating with an angular velocity of 0. 80 m and it is rotating with an angular velocity of 0. MY NOTES PRACTICE ANOTHER A playground merry-go-round has a mass of 120 kg and a radius of 1. 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. What is its angular velocity (in rev/s) after a 21. 300 rev/s. 42 rev/sr = 2. Physics Physics questions and answers 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. 60 meters. m1 = 105 kgm2 = 26 kgωi = 0. A playground merry-go-round has a mass of 120 kg and a radius of 1. . A child of mass 30 kg runs at a speed of 5 m/sec tangent to the rim of the merry-go-round when it is at rest and then jumps on it. The student starts running clockwise around the edge of the platform and attains a speed of 2. 5 rev/min. what is its angular velocity, in rev/s, after a 18kg child gets onto it by grabbing its outer edge? the child is initially at rest. Find step-by-step Physics solutions and your answer to the following textbook question: A playground merry-go-round has a mass of $120~ ext{kg}$ and it is rotating with an angular velocity of $0. Submitted by Zachary O. 380 rev/s. 500 \mathrm{rev} / \mathrm{s} 0. Unlock. 6 m What is the magnitude of its angular velocity, in radians per second, after a 17 kg child gets onto it by grabbing its outer edge? A playground merry-go-round has a mass of 120 kg and a radius. This is the same problem as 11. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. A child of mass 33. 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 of 1. At a particular playground there is a merry-go-round that may be thought of as a flat, solid disk of mass 142 kg and radius 1. Log in Join. A 1. A playground merry-go-round has a mass of 120 kg and a radius of 1. The final angular velocity of the system with the child is 0. What is its angula velocity after a 22 kg child gets onto it by grabbing its outer edge? The child is initially at rest. A 1. 50-m radius. 500 rev/s. What is its angular velocity (in rev/s) after a 21 kg child gets onto it by grabbing its outer edge? The child is initially at rest. The propeller. Question: (10%) Problem 9: A playground merry-go-round with a mass of 105 kg and a radius of 2. 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 speed after a 33. 4 kg · m². 80 m and it is rotating with an angular velocity of 0. 00 m has a moment of inertia I = 250 kgm2 and is rotating at 10. 80 m and it is rotating with an angular velocity of 0. answered • expert verified. 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 29. It has radius R = 2m, a masss of 120 kg and its radius of gyration is lm. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. What is the new angular speed (in rpm) of the merry-go-round?A playground merry-go-round has a mass of 120 kg and a radius of 1. 6 m is rotating with an angular frequency of 0. P10. 80 m and it 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. 164. 5 kg child gets onto it by. 80 m and it is rotating with an angular velocity of 0. What is its angular velocity (in rev/s) after a 15. What is its angular velocity (in rev/s) after a 28. The father exerts a force on the merry-go-round perpendicular to its 1. What is its angular velocity (in rev/s) after a 27. 2 meters M = 226 kg m = 41 kg v = 1. 80 m and it is rotating with an angular velocity of 0. In a playground there is a merry go round of mass 120 kg and radius 4 m. 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 28. 80 m and it is rotating with an angular velocity of 0. 1. What is its angular velocity after a 22. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. A 60 − k g 60-mathrm{kg} 60 − kg student stands at rest at the edge of the platform 4. 9 rad/s. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 450 rev/s. Two identical twins hold on to a rope, one at each end, on a smooth. 50 m radius. Science Physics A child of mass 54. TUTORIAL. ^ 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. The child is initially at rest. 4 m is rotating with an angular frequency of 0. rev/s. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 80 m/s along a path that is tangent to the rim of the initially stationary merry-go-round and then jumps on. A merry-go-round in the park has a radius of 1. Treat the merry-go-round as a solid disk (1 = 1M R2), and treat the child as a point. 2 meters, and a mass M = 226 kg. 80 m and it is rotating with an angular velocity of 0. The merry-go-round is a solid disk, and the moment of inertia is = 1/2 MR2. The merry-go. 600 rev/s. A playground merry-go-round has a mass of 120 k g 120 mathrm{~kg} 120 kg and a radius of 1. If two 19 kg children are riding on the merry-go-round at the outer edge, what. 0 kg child gets o; A playground merry-go-round has a mass of 120 kg and a radius of 1. 80 m and it is rotating with. 80 m radius playground merry-go-round has a mass of 120. Question1:playground merry-go-round has mass of 75kg and a radius of 3 m. 80 m and it is rotating with an angular velocity of 0. Previous question Next question. Question: A 1. 20 mathrm{~m}$ and mass $200 mathrm{~kg}$. 500 rev/s. 56 rev/s r = 2. 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 (in rev/s) after. Question: D Question 12 5 pts A a playground merry-go-round has a mass of 250 kg and radius of 2. Survey respondents (up to 500,000 respondents total) were entered into a drawing to win 1 of 10 $500 e-gift cards. 500 rev/s. t m rodlus playground merry-go-round has a rotating mass of 120 kg and is rotating with an angular velocity of o. What is its angular velocity (in rev/s) after a 23. 039. A circular disk of radius 2. 300 rev/s. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 500 rev/s. What is its angular velocity (in rev/s) after a 20. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 260 rev/s. 5-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 25 m from its center? (b) What centripetal force does she need to stay on an amusement park merry-go-round that rotates at 3. What is its angular velocity after a 22. A playground merry-go-round has a mass of 120 kg and a radius of 1. What is its angular velocity after a 22. 550 rev/s. 50-m. 48 rev/s. 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 32. 48 rev/s = 1. . Question: Ch 10 Problem 8: A playground merry-go-round with a mass of 120 kg and a radius of 1. 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. 0 kg child gets on the merry-go-round by stepping onto its outer edge? The child is initially at rest. 5 m/s along a path tangent to the rim of a merry-go-round with a radius of 2. A playground merry-go-round with a radius of 1. A person of mass 80 kg is standing at the rim when the merry-go-round is spinning at the rate of 2. 1. 24, 2021, 04:55 a. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 280 kg, is spinning at 16 rpm. 500 rev/s. University Physics Volume 1. 70 m and 4. 80 m and it is rotating with an angular velocity of 0. 10 - The puck in Figure 10. The merry-go-round shown is initially at rest, has a radius R = 1. m. Two people, each of mass 60 kg, are standing right outside the edge of the merry-go-round and suddenly step onto the edge with negligible speed relative to the ground. A 5. What is its angular velocity after a 22-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 360 rev/s. The child is initially at rest. A playground merry-go-round of radius R = 1. If the merry-go-round is initially at rest (b) How much work did the child do on the merry-go-round?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. 8m . 25 m away from the center. 0 kilograms, 28. Calculate the angular acceleration produced (a) when no one is on the merry-go-round and (b) when an 18. 00 m from the axle, the system (merry-go-round and child) rotates at the rate of 15. What is its angular velocity after a 22. 39 a playground merry go round has a mass of 120 kg. 48 rev/s. I m レ what is the magnitude of its angular velocity, in radians per second, after a 18 kg child gets onto it by grabbing its outer edge? The child is initially at A disk-shaped merry-go-round of radius 2. 80 m and it is rotating with an angular velocity of 0. 0 kg and is rotating freely (no friction) with an angular velocity of 0. 63 m and mass 155 kg rotates freely with an angular speed of 0, 641 rev/s. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 2 rev/s. 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. 7 m What is the magnitude of its angular velocity, in radians per second, after a 21 kg child gets onto. Answer to 3 significant figures. 0 kg child gets onto it by grabbing its outer edge? x Your response differs from the correct answer by mote than 10%, Double check your calculations The added chlld is initially at rest. 500 rev/s. B. 300 rev/s. Three children are riding on the. 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. 80 m has a mass of 120 kg and is rotating with an angular speed of 0. A playground merry-go-round has a mass of 120 kg and a radius of 1. rev/s Additional Materials Reading Tutorial SubmitA playground merry-go-round has a mass of 120 kg and a radius of 1. 400 rev/s. 44 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. 330 rev/s. Transcribed Image Text: Problem 5: A merry-go-round at an amusement park consists of an outer ring of horses and an inner ring of elephants. Angular velocity (in rev/s) after a 15. 500 rev / s. 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 of 1. 0-kg child gets onto the platform by grabbing its outer edge: The child was initially at rest_ After the child gets on the platform; the angular velocity is 1. 42 rev/s. 45 rev/s . 400 rev/s. 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. A playground merry-go-round has a mass of 120 kg and a radius of 1. 5 kg child is initially at rest, he then gets onto the merry-go-round by grabbing its outer edge. 6 s. 500 rev/s. 0 kg runs at a speed of 2. 400 rev/s. 80 m and it 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. Respondent base (n=745) among approximately 144,000 invites. 39 rad/s 4. What is its angular velocity, in rev/s, after a 31. Consider the merry-go-round itself to be a uniform disk with negligible friction. Neglect friction between the bearings and the shaft of the merry-go-round. comFind step-by-step Physics solutions and your answer to the following textbook question: You are sitting on the edge of a horizontal disk (for example, a playground merry-go-round) that has radius 3. 0-kg child hops onto the merry-go-round and manages to sit down on the edge. (a) A 22. The merry-go-round is initially at rest, has a radius of 1. 400 rev/s. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. Answer. 0 m and a rotational inertia of 100 kg m2 is rotating at 3. 48 rev/s r=1. Consider the merry-go-round itself to be a uniform disk with negligible friction. 5 m and mass 80kg. 550rev/s. What is its angular velocity, in rev/s, after a 31. 1 m/s, and jumps on. 550 rev/s. 300 rev/s. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. When two more children jumped onto the merry-go-round, the rotational speed dropped to 2. 56 rev/s T= 14 1 What is the magnitude of its angular velocity. 380 rev/s. 46 revis danya pada wa magumua olis What is the magnitude of its angular velocity, in radians per second, after a 17 kg child gets onto it by grabbing its. 80 m and it is rotating with an angular velocity of 0. t m rodlus playground merry-go-round has a rotating mass of 120 kg and is rotating with an angular velocity of o. 8 m and a rotational inertia of 900 kg·m2. A playground merry-go-round has a mass of 115 kg and a radius of 2. Previous question Next question. 5-kg child gets onto it by grabbing its outer edge? The child is initially at rest. A 1. 400 rev/s. A 1. 4 meters, and a mass M = 261 kg. 80 m has a mass of 120 kg and is rotating with an angular speed of 0. 0 rev/min about a frictionless, vertical axle. Apply the principle of conservation angular momentum to determine the final angular velocity; Therefore, the final angular velocity is rev/s is 0. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. rev/sA 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. X rev/s Additional Materials. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. Consider the father pushing a playground merry-go-round in Figure 4. 600 rev/s. Physics questions and answers. 9 rad/s. A 3. Question: Question 4 (2 points) A playground merry-go-round has a mass of 120 kg and a radius of 1. The merry-go. . 1. 4 m is rotating with a frequency of 0. 400 rev/s. A playground merry-go-round has a mass of 120 kg and a radius of 1. 3. What is its angular velocity, in rev/s, after a 28. ^ 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. 5 kgchild gets on the merry-go-round by stepping onto its outer edge? The child is initially at rest. What is the final angular speed of the merry-go-round? You may make the following estimations: The child is a point particle; the merry-go-round is a solid disk and has an axle with negligible friction. Two identical twins hold on to a rope, one at each end, on a smooth. 400 rev/s. What is the angular velocity after a 22. 0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 290 kg, is spinning at 17 7 rpm. 300 rev/s. What is its angular velocity after a 22. A playground merry-go-round has a mass of 120 kg and a radius of 1. (a) If the coefficient of static friction between you and the surface of the disk is 0. What is its angular velocity, in rev/s, after a 31. 500 rev/s. 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 27. 58 rev/s. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. Neglect friction between the bearings and the shaft of the merry-go-round. A small boy of mass 47 kg runs tangentially to the merry-go-round at a speed of 1. Tutorial A 1. 50 m radius to achieve a torque of 375 N. How many revolutions around the merry-go-round must the child make in order for the merry-go-round to make one full revolution? 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. A child of mass 54. 0-kg child gets onto it by g; A playground merry-go-round has a mass of 120 kg and a radius of 1. 20 m and mass 150 kg. Its radius of gyration is $91. What is its angular velocity (in rev/s) after a 25. What is its angular velocity after a 33. What is its angular velocity (in rev/s) after a 28. 80 m and it is rotating with an angular velocity of 0. х Initially the child is outside the merry-go-round and is not moving. 500 rev/s. 0-kg child hops onto the merry-go-round and manages to sit down on the edge. 7 m What is the magnitude of its angular velocity, in radians per second, after a 21 kg child gets onto. A child of mass 44. This is College Physics Answers with Shaun Dychko. 80 m and it is rotating with an angular velocity of 0. 5 m/s, and. 0-N force tangentially to the edge of the merry-go-round for 15. 330 rev/s. 0 s. 450 rev/s. 40 m and it is rotating with an angular velocity of 0. Radius of merry go round R = 1. 80 m and it is rotating with an angular velocity of 0. 0 kg. What is its angular velocity after a 22. 0-kg merry-go-round, which has a 1. 430 rev/s. Question: 62. What radial force does the child have to exert to stay on the merry-go-round. The father exerts a force on the merry-go-round perpendicular to its 1. 0kg 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. 80 m 1. 0 kg child gets o; A playground merry-go-round has a mass of 120 kg and a radius of 1. Unlock. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. rev/sA playground merry-go-round is a metal disk of radius 2. m = 120 kg. Explanation: Given; mass of the merry-go-round, m₁ = 120 kg radius of the merry-go-round, r = 1. 500 rev/s. A playground merry-go-round has a mass of 120 kg and a radius.