80 m has a mass of 120 kg and is rotating with an angular speed of 0. The final angular velocity of the system with the child is 0. (Radius of gyration k is defined by the expression I=Mk2. 80 m and it is rotating with an angular velocity of 3. 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 outer edge? The child is initially at rest. 0. 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. 39 - Angular Momentum and Its Conservation A playground merry-go-round has a mass of 120 kg and a radius of 2. The father exerts a force on the merry-go-round perpendicular to its 1. 197 Initially the child is outside the merry-go-round and is not moving. 550 rev/s. 0 kg and 100 kg, respectively. 400 rev/s. What is its angular velocity after a 21. 80 m and it is rotating with an angular velocity of 0. what is its angular velocity, in rev/s, after a 27. A child with a mass of 22 kg jumps onto the edge of the merry-go-round, traveling radially inward. . . 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. rev/s 6. 1 meters, and a mass M= 286 kg. 80 m and it is rotating with an angular velocity of 0. 80 m and it is rotating with. What is its angular velocity (in rev/s) after a 28. What is the new angular speed of the merry-go-round?Question: (2) A playground merry-go-round with a radius of 1. Randomized Variables m; = 105 kg m2 = 17 kg c= 0. What is its angular velocity after a 33. 270 rev/s. 550rev/s. 41 m/s jumps onto its rim and holds on. 550 rev/s. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 420 rev/s. 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. 60 m. Its radius of gyration (see Problem 85 of Chapter 10) is 91. 015 kg record with a radius of 15 cm rotates with an angular speed of. What's the moment of inertia of the merry-go-round/child system? Question2:On the playground merry-go round in the previous question,one child pushes it CCW with a. 5 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 23. 0 kg child is initially at rest, he then gets onto the merry-go-round by grabbing its outer edge. 500 rev/s. 5 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. At this time, the merry-go-round (and children) had moment of inertia 170 kg-m? and rotational speed 4. What is its angular velocity after a 16. 340 rev/s. A child of mass 44. (14%) Problem 6: A playground merry-go-round with a mass of 130 kg and a radius of 1. 3. What is its angular velocity after a 22. an angular velocity of 0. If the boy suddenly jumpes on to the merry - go - round, the angular velocity acquired by the system is. m1 = 105 kgm2 = 26 kgωi = 0. Randomized Variables mi- 105 kg m2- 19 kg 0. 80 m and it is rotating with an angular velocity of 0. 3 m A 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 playground merry-go-round has a mass of 120 kg and a radius of 1. • A 24. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. What is its angular velocity after a 31. 00 m and it is rotating with an angular velocity of 0. 450 rev/s. 500 rev/s. 0-kg child hops onto the merry-go-round and manages to sit down on the edge. 450 rev/s. The merry-go-round is initially at rest, has a radius of 1. What is the net torque acting on the merry-go-round about its axle? b. 0 kg runs at a speed of 3. What is A playground merry-go-round of radius R = 1. Text Solution. John runs tangent to the merry- go-round at 5. 9 rad/s. 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. 500 rev/s. 0 kg thrown by a friend. 520 rev/s. What is its angular velocity (in rev/s) after a 21. Randomized Variables my - 115 kg My = 23 kg ; -0. 80 m and it is rotating with an angular velocity of 0. 18th Edition. 520 rev/s. A child of mass 44. 0 kg) against the house on a concrete pad with the base of the ladder 2. Question: 62. The merry-go-round, which is initially at rest, has a moment of inertia of 500 kg m2. the merry go round is rotating at 4. 56 rev/s T= 14 1 What is the magnitude of its angular velocity. 80 m and it is rotating with an angular velocity of 0. 5 m and mass 80kg. 500 rev/s. 0 m rotates, starting from rest, with a constant angular acceleration of 20. 80 m/s along a path that is tangent to the rim of the initially stationary merry-go-round and then jumps on. A playground merry-go-round makes two complete rotations in 9. A 1. (a) A 22. 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. 80 m and it is rotating with an angular velocity of 0. 8 m. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 0 mathrm{~cm}$. A small boy of mass m = 47 kg runs tangentially to the merry-go-round at a speed of v = 2. 5 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 008. Pages 100+ Identified Q&As 100+ Solutions available. 50 m radius. Text Solution. (13%) Problem 7: A playground merry-go-round with a mass of 145 kg and a radius of 2. 80 m and it is rotating with an angular velocity of 0. 0. What is its angular velocity after a 22 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 8 m and a rotational inertia of 120 kg m^2 is stationary. 1. 550 rev/s. 0. 0 kg child gets onto it by grabbing its outer edge Ride the Merry-Go-Round A 25 kg child at a playground runs with an initial speed of 2. When the 16. Two identical twins hold on to a rope, one at each end, on a smooth. 80 m and it is rotating with an angular velocity of 0. 20 m. [-/1 Points DETAILS OSCOLPHYS2016 10. A 28. The child's speed is 2. He exerts a force of 250 N at the edge of the 50. The propeller can be approximated by a single rod rotating about its center of mass. 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 1. What is its angular velocity after a 27. 48 rev/s. The propeller. rev/sA playground merry-go-round has a mass of 120 kg and a radius of 1. The system has a moment of inertia of 84. What is its angular velocity after a 22. The system has a moment of inertia of 84. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. Consider a father pushing a child on a playground merry-go-round. 1. A 1. A playground merry-go-round has a mass of 120 k g 120 \mathrm{~kg} 120 kg and a radius of 1. 58 or 2. 00 m has a moment of inertia I = 250 kg m2 and is rotating at 10. Unlock. 360 rev/s. This is College Physics Answers with Shaun Dychko. 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. The platform is also at rest. 80 m and it is rotating with an angular velocity of 0. 4 m is rotating with an angular frequency of 0. rev/s. 0-mathrm{kg} 22. 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 30. The student starts running clockwise around the edge of the platform and attains a speed of 2. 0 kg child gets on grabbing its outer edge? The child is initially at rest. 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. 500 rev/s. 5 m/s along a path tangent to the rim of a merry-go-round with a radius of 2. What is the mass of a child who gets onto it by grabbing its outer edge? The child is initially at rest. In a playground, there is a small merry-go-round of radius 1. Science Physics A merry-go-round is a common piece of playground equipment. 6 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 500 rev/s. Physics Physics questions and answers A playground merry-go-round has a mass of 120 kg and a radius of 1. Question1:playground merry-go-round has mass of 75kg and a radius of 3 m. A 1. What is its angular velocity (in rev/s) after a 28. 0 rev/min about a frictionless, vertical axle. Question: (10%) Problem 6: A playground merry-go-round with a mass of 120 kg and a radius of 24 m is rotating with an angular frequency of 0. Rotational Collision -Conservation of Angular Mementum of a system (consisting of TWO Object) A playground merry-go-round has a mass of 120 kg and a radius of 2. A playground merry-go-round has a mass of 120 kg and a radius of 1. A child with a mass of 25 kg gets on and walks around the edge of the merry-go-round. rev/s 6. 0 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 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 16. 40 m and it is rotating with an angular velocity of 0. 386 rev/s. 500 rev/s. 1) 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. 500 rev / s. He exerts a force of 250 N at the edge of the 50. A child of mass 33. A 59. 0 m has a moment of inertia I = 250 kg⋅m^2 and is rotating at 10 rpm (revolutions per minute). 0-\mathrm{kg} 22. There are 2 steps to solve this one. Its radius of gyration is 91. ) A child of mass 44. 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. 9 m radius, 120 kg playground merry-go-round (which initially has an angular velocity of 0. Answer to 3 significant figures. 1 rad/s. 80 m radius playground merry-go-round has a mass of 120. 60 m and it is rotating with an angular velocity of 0. 10. 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 32. 0 rev/s?A playground merry-go-round has a mass of 120 kg and a radius of 1. 0 kg child gets onto it by grabbing. 80 m and it is rotating with an angular velocity of 0. What is its angular velocity after a 22. 0 kg child gets o; A playground merry-go-round has a mass of 120 kg and a radius of 1. A small boy of mass 47 kg runs tangentially to the merry-go-round at a speed of 1. 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. A 2 m radius playground merry-go-round has a rotating mass of 120 kg and is rotating with an angular velocity of 0. A playground has a merry go round has a mass of 120 kg and a radius of 1. 4 meters, and a mass M-246 kg. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. 50 m radius to achieve a torque of 375 N· m. A 3. 500 rev/s. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest rev/s A playground merry-go-round has a radius of R = 4. . A playground merry-go-round has a mass of 120 kg and a radius of 1. 1. Consider the father pushing a playground merry-go-round in Figure 4. What is its angular velocity (in rev/s) after a 28. 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 outer edge? The child is initially at rest. 80 m and it is rotating with an angular velocity of 0. What is its angular velocity (in rev/s) after a 25. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 450 rev/s. 5 m is rotating with an angular frequency of 0. 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. rev/s Addis LatorialeA playground merry-go-round has a mass of 120 kg and a radius of 1. 0 kilograms, 28. A playground merry-go-round (a solid disk) has a mass of 120 kg and a radius of 1. & rev / sA playground merry-go-round has a mass of 120 kg and a radius of 1. 50m at the bottom of the hill. Assume the child was not initially on the merry-go-round. Two kids, each of mass 40 kg, are riding on the outer rim of the disk. Before jumping on the merry-go-round, the person was moving in the same direction as the merry-go-round’s. 48 rev/s). 5 revolutions per second. 80 m and it is rotating with an angular velocity of 0. 87 kg mass. 80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0. A playground merry-go-round has a mass of 120 kg and a radius of 1. 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. 48 rev/s. Tutorial A 1. A playground merry-go-round of radius R = 1. 0 cm. A playground merry-go-round has a mass of 120 kg and a radius of 1. Physics questions and answers. 58 rev/s. A playground merry-go-round has a mass of 120 kg and a radius. Individual results may vary. A 28. 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 atA disk-shaped merry-go-round of radius 2. Each of the eight horses has a mass m, = 95 kg. Calculate the angular acceleration produced (a) when no one is on the merry-go-round and (b) when an 18. Doc Preview. A merry-go-round of radius R = 2. What is its angular speed after a 32. 6 m is rotating with an angular frequency of 0. 0-kg child gets onto it by grabbing its outer edge? The child is initially at rest. 5 kg child gets onto it by. The father exerts a force on the merry-go-round perpendicular to its 1. 0 kg child gets o; A playground merry-go-round has a mass of 120 kg and a radius of 1. 6 m is rotating with a frequency of 0. 56 rev/s Randomized Variables m;= 120 kg -IN2 = 18 kg 6)=0. 903 kgm2. 00 m and it is rotating with an angular velocity of 0. 69 Incorrect: Your answer is incorrect. 450 rev/s. What is its angular velocity after a 27. A playground merry-go-round has a mass of 120 kg and a radius of 1. A small boy of mass m = 47 kg runs tangentially to the merry-go-round at a speed of v = 1. 2 m is rotating with a frequency of 0. A 3. 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. Consider a father pushing a child on a playground merry-go-round. The merry-go-round shown is initially at rest, has a radius R = 1. 5 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 5 m / s a 17% Part (a) Calculate the moment of inertia of the merry-go. a. What is its angular velocity after a 22. 7 kg is running toward the outer rim of the merry-go-round so that his path intersects the rim perpendicular to the radius. 8 m and a rotational inertia of 900 kg·m2. 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. Ch. Please answer in units of rad/sec. 0 rad/s. 300 rev/s. From the conservation of angular momentum, we can write the following expression: A playground merry-go-round with a radius of 1. 80 m and it is rotating with an angular velocity of 0. Angular velocity of merry-go-round = 0. (Radius of gyration k is defined by the expression I=Mk2. Facing the axle, a 25. an angular velocity of 0. 0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 280 kg, is spinning at 16 rpm. A playground merry-go-round has a diameter of 2. 80 m radius playground merry-go-round has a mass of 120. ## Example Problem A playground merry-go-round has a radius of 2. 80 m and it is rotating with an angular velocity of 0. 062 A playground merry-go-round has a mass of 120 kg and a radius of 1. View the full answer Step 2. 1 m is rotating with a frequency of 058 Randomized Variables m1 115 kg m2 #18kg coi = 0. 50-m. What is the new angular speed of the merry-go-round?Question: Question 3 (5 points) A playground merry-go-round, that can be treated as a disk, has a mass of 150 kg and radius of 2 m. 80 m 1. MY NOTES PRACTICE ANOTHER A playground merry-go-round has a mass of 120 kg and a radius of 1. What is its angular speed after a 33. A playground merry-go-round has a mass of 120 kg and a radius of 1. 50 m radius. 5 m/s and jumps on. The propeller. 80 m and it is rotating with an angular velocity of 0. 5 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 48 rev/s r= 2. 430 rev/s. 3 m is rotating with an angular frequency of 0. 80 m and it is rotating with an angular velocity of 0. 00 mathrm{~m} / mathrm{s}$ along a path that is. 80 m and it is rotating with an angular velocity of 0. 600 rev/s. 500 rev/s. Unlock. 0-kg child sits 1. The rotational inertia of the merry-go-round about its rotation axis is 150 kg-m 2. What is its angular velocity (in rev/s) after a 22. Randomized Variables m = 130 kg m2 = 21 kg w; = 0. What is its angular velocity (in rev/s) after a 27. 44rev/s r = 2. 80 m and it is rotating with an angular velocity of 0. The merry-go-round is initially at rest, has a radius of 1. In a playground there is a merry-go-round of mass 120 kg and radius 4 m. 80 m 1. Neglect friction and find the angular velocity of the merry-go-round and child A playground merry-go-round has a mass of 120 kg and a radius of 1. Individual results may vary. 8 m and rotate with an angular velocity of 0. 46 rev/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 (in rev/s) after a 21. 5rad/s. 80 m and it is rotating with an angular velocity of 0. 600 rev/s. 5 kg child gets onto it by grabbing its outer edge? The child is initially at rest. 50 m and it is rotating with an angular velocity of 0. What is its angular velocity, in rev/s, after a 31. Randomized Variables R = 1. mass of the merry-go-round, m₁ = 120 kg. rev/s. Consider the father pushing a playground merry-go-round in Figure 10. A playground merry-go-round has a mass of 120 kg and a radius. 2 meters M = 226 kg m = 41 kg v = 1. 0rad/s. A playground merry-go-round has a mass of 120 kg and a radius of 1. A playground merry-go-round with a radius of 1. What is its angular velocity, in rev/s, after a 31. 450 rev/s. Its radius of gyration is 2. 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. 550rev/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. What is its angular velocity, in rev/s, after a 28. What is its angular velocity. 420 rev/s.