A child pushes a merrygoround with a force of 55.0 N at an angle tangent to the circle (that is, perpendicular to a radius). If the child pushes it through exactly one full circle, and the merrygoround has a radius
52,885 results
PHYSICS
a child sitting 1.10 m from the center of a merry go round moves with a speed of 1.25 m/s. calculate the centripetal acceleration of the child and the net horizontal force exerted on the child (mass = 25 kg).

Physics
A merrygoround with a a radius of R = 1.95 m and moment of inertia I = 192 kgm2 is spinning with an initial angular speed of ω = 1.41 rad/s in the counter clockwise direection when viewed from above. A person with mass m = 63 kg and velocity v = 4.7

Physics
2) A child sits on a merrygoround, 1.5 meters from the center. The merrygoround is turning at a constant rate, and the child is observed to have a radial acceleration of 2.3m/s^2. How long does it take for the merrygoround to make one revolution?

physics
At a playground, a 20kg child sits on a spinning merrygoround, as shown from above in (Figure 1) . The merrygoround completes one revolution every 6.2 s, and the child sits at a radius of r=1.8m. a. What is the force of static friction acting on the

Physics
A merrygoround is a common piece of playground equipment. A 2.4 m diameter merrygoround with a mass of 300 kg is spinning at 22 rpm. John runs tangent to the merrygoround at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer

physics
A merrygoround revolves at a rate of 8.3 rev/min. A child who is seated at the outer edge of the merrygoround travels at 6.9m/s. What is the diameter of the merrygoround?

Physics
8. When a person stands on a rotating merry go round, the frictional force exerted on the person by the merry go round is (A) greater in magnitude than the frictional force exerted on the person by the merry go round (B) opposite in direction to the

Physics
A child sits on a rotating merrygoround, 2.19 m from its center. If the speed of the child is 2.32 m/s, what is the minimum coefficient of static friction between the child and the merrygoround that will prevent the child from slipping?

Physics
A brave child decides to grab onto an already spinning merry‑go‑round. The child is initially at rest and has a mass of 24.5 kg. The child grabs and clings to a bar that is 1.60 m from the center of the merry‑go‑round, causing the angular velocity

Physics
A child exerts a tangential 43.5N force on the rim of a diskshaped merrygoround with a radius of 2.41 m. If the merrygoround starts at rest and acquires an angular speed of 0.086 rev/s in 3.54 s, what is its mass?

Physics
Suppose you observe your friend (mass 66.6 kg) stand at the very edge of a motionless merrygoround (modelled as a thin disk with moment of inertia 5.7 kg m 2). At some point, your friend walks around and along the edge at a speed 1.4 m/s perfectly

physics
a child sits on the edge of a spinning merrygoround 3.2 m from its center. The coefficient of static friction between the child's bottom and the surface of the merrygoround is .8. Find the maximum rate in revolutions per seconds, that the

physics
A child, hunting for his favorite wooden horse, is running on the ground around the edge of a stationary merrygoround. The angular speed of the child has a constant value of 0.264 rad/s. At the instant the child spots the horse, onequarter of a turn

Physics
1.) jet plane traveling 1800 km/h (500 m/s) pulls out of a dive by moving in an arc of radius 6.00 km. What is the plane's acceleration in g's? 6.) A child on a merry goround is moving with a speed of 1.35 m/s when 1.20 m from the center of the

Physics
A playground merrygoround of radius 𝑅 = 2.0 m has a moment of inertia 𝐼 = 250 kg ⋅ m2 is rotating at 15 rpm about a frictionless, vertical axle. Facing the axle, a 25kg child hops onto the merrygoround and manages to sit down on the edge. a.

physics
1.A merrygoround makes one complete revo lution in 12.2 s. A 49.4 kg child sits on the horizontal floor of the merrygoround 2.3 m from the center. Find the child’s acceleration. The accelera tion of gravity is 9.8 m/s2 . Answer in units of m/s2

Calculus
Several math students are taking a break from their studies by visiting a playground. One student pushes the others on a merrygoround. The diameter of the merrygoround is 3.0 m, and the student pushes with a force of 50 N along the purple vector shown

Physics Inertia : Merrygoround
A playground merrygoround of radius 1.96 m has a moment of inertia 335 kg m2 and is rotating at 12.3 rev/min. A child with mass 43.1 kg jumps on the edge of the merrygoround. What is the new moment of inertia of the merrygoround and child, together?

Physics
A merrygoround is at rest before a child pushes it so that it rotates with a constant angular acceleration for 38.0 s. When the child stops pushing, the merrygoround is rotating at 1.20 rad/s. How many revolutions did the child make around the

physics
A child of mass 54.7 kg sits on the edge of a merrygoround with radius 2.3 m and moment of inertia 222.81 kgm2. The merrygoround rotates with an angular velocity of 1.6 rad/s. What radial force does the child have to exert to stay on the merrygoround?

Physics
A playground merrygoround made in the shape of a solid disk, has a diameter of 2.63 m and a mass of 353.9 kg. Two children, each of mass 30.5 kg, sit on opposite sides at the edge of the platform. Approximate the children as point masses. (a) What torque

Physics
A child on a merrygoround is moving with a speed of 1.40 m/s when 1.18 m from the center of the merrygoround. (a) Calculate the centripetal acceleration of the child. (b) Calculate the net horizontal force exerted on the child (mass = 25.0 kg).

Physics
A merrygoround in the park has a radius of 1.8 m and a rotational inertia of 900 kgm^2. A child pushes the merrygoround with a constant force of 80 N applied at the edge and parallel to the edge. A frictional torque of 12 Nm acts at the axle of the

PHYSICS (HELP)
A playground merrygoround has a radius of R= 2 m and has a moment of inertia Icm= 9×103kg⋅m2 about a vertical axis passing through the center of mass. There is negligible friction about this axis. Two children each of mass m= 20kg are standing on

physics
A horizontal 810N merrygoround of radius 1.70 m is started from rest by a constant horizontal force of 55 N applied tangentially to the merrygoround. Find the kinetic energy of the merrygoround after 2.0 s. (Assume it is a solid cylinder.)

Physics
Hi I'm kinda new here, and hope someone can please help me out. A person exerts a tangential force of 38.1 N on the rim of a diskshaped merrygoround of radius 2.74 m and mass 207 kg. If the merrygoround starts at rest, what is its angular speed after

physics
A merry go round in the park has a radius of 1.8 m and a rotational inertia of 900 kgm^2. A child pushes the merry go round with a constant force of 80 N applied at the edge and parrallel to the edge. A frictional torque of 12 Nm acts at the axle of the

Physics
In a playground, there is a small merrygoround of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the

College Physics
A 40 kg child is standing on the edge of a merrygoround in a playground. Before they were deemed too dangerous, these were quite common. They were just huge rotating platforms you could sit on while someone spun you around in uniform circular motion

Torque
Not sure how to draw the diagram to this, or quite how to solve b and c: Several math students are taking a break from their studies by visiting a playground. One student pushes the others on a merrygoround. The diameter of the merrygoround is 3.0 m,

physics
A playground merrygoround of radius 2.00 m has a moment of inertia I = 255 kg·m2 and is rotating about a frictionless vertical axle. As a child of mass 25.0 kg stands at a distance of 1.00 m from the axle, the system (merrygoround and child) rotates

physics
A dad pushes tangentially on a small handdriven merrygoround and is able to accelerate it from rest to a frequency of 16 rpm in 11.5 s. Assume the merrygoround is a uniform disk of radius 3.0 m and has a mass of 790 kg, and two children (each with a

Physics
A merrygoround makes one complete revolution in 9.1 s. An 18.8 kg child sits on the horizontal ﬂoor of the merrygoround 4.7 m from the center. Find the child’s acceleration. The acceleration of gravity is 9.8 m/s 2

physics
A horizontal 790N merrygoround of radius 1.30 m is started from rest by a constant horizontal force of 50 N applied tangentially to the merrygoround. Find the kinetic energy of the merrygoround after 2.0 s. (Assume it is a solid cylinder.) J

Physics
A 24.5kg child is standing on the outer edge of a merrygoround which has moment of inertia 989 kg • m2 and radius 2.40 m. The entire system is initially rotating at 0.180 rev/s. Find the angular velocity if the child moves to a final position 1.10 m

Physics: merrygoround question
A playground merrygoround of radius 1.92 m has a moment of inertia 411 kg m2 and is rotating at 10.4 rev/min. A child with mass 38.3 kg jumps on the edge of the merrygoround. Assuming that the boy's initial speed is negligible, what is the new angular

physics
A child pushes a merrygoround with a force of 80.0 N at an angle tangent to the circle (that is, perpendicular to a radius). If the child pushes it through exactly one full circle, and the merrygoround has a radius of 1.15 m, how much work does she do?

Angular Acceleration
A child pushes a merry goround from rest to a final angular speed of 0.4 rev/s with constant angular acceleration. In doing so, the child pushes the merrygoround 1.1 revolutions. What is the angular acceleration of the merry goround? I got .0727 but

Physics
In a playground, there is a small merrygoround of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the

physics
A 22 kg child is riding a playground merrygoround that makes 40 revolutions in 60 seconds. Determine the magnitude of force (in Newtons) necessary to make the child stay on the merrygoround if she is 1.25m from its center.

physics
A merrygoround with a a radius of R = 1.95 m and moment of inertia I = 192 kgm2 is spinning with an initial angular speed of ω = 1.41 rad/s in the counter clockwise direection when viewed from above. A person with mass m = 63 kg and velocity v = 4.7

Physics
A playground merrygoround of radius R = 1.92m has a moment of inertia of I = 221kgm^2 and is rotating at 14.0rev/min about a frictionless vertical axle. Facing the axle, a 29.8kg child hops onto the merrygoround and manages to sit down on its edge.

Physics Classical Mechanics
A playground merrygoround has a radius of R= 2 m and has a moment of inertia Icm= 9×103kg⋅m2 about a vertical axis passing through the center of mass. There is negligible friction about this axis. Two children each of mass m= 30kg are standing on

Physics
A child sitting 1.80 m from the center of a merrygoround moves with a speed of 1.45 m/s . Calculate the centripetal acceleration of the child.Calculate the net horizontal force exerted on the child. (mass = 28.5 kg )

PHYSICS
A child pushes a merrygoround with a force of 55.0 N at an angle tangent to the circle (that is, perpendicular to a radius). If the child pushes it through exactly one full circle, and the merrygoround has a radius of 1.15 m, how much work does she do?

Physics
A child pushes a merrygoround with a force of 55.0 N at an angle tangent to the circle (that is, perpendicular to a radius). If the child pushes it through exactly one full circle, and the merrygoround has a radius of 1.15 m, how much work does she do?

physics
A merrygoround in the park has a radius of 1.8 m and a rotational inertia of 900kgm^2. A child pushes the merrygoround with a constant force of 80 N applied at the edges and parallel to the edge. A frictional torque of 12 Nm acts at the axle of the

Physics
A merrygoround with r = 4m and a perfect frictionless bearing is pushed with a force of 24 N by a young girl. She pushes with a constant force that is oriented tangentially to the edge of the merrygoround. After she pushes the merrygoround through 14

Physics
In a playground, there is a small merrygoround of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the

physics
A child of mass 52 kg jumps onto the edge of a merrygoround of mass 170 kg and radius 1.9 m that is initially at rest as sketched in the figure below. While in the air (during her jump), the child's linear velocity in the direction tangent to the edge of

phys5
A child pushes a merry goround from rest to a final angular speed of 0.44 rev/s with constant angular acceleration. In doing so, the child pushes the merrygoround 1.8 revolutions. What is the angular acceleration of the merry goround?

physics
6.A child pushes a merry goround from rest to a final angular speed of 0.46 rev/s with constant angular acceleration. In doing so, the child pushes the merrygoround 1.3 revolutions. What is the angular acceleration of the merry goround?

Physics
A child pushes a merry goround from rest to a final angular speed of 0.6 rev/s with constant angular acceleration. In doing so, the child pushes the merrygoround 1.8 revolutions. What is the angular acceleration of the merry goround? rad/s^2 This is

physics
A playground merrygoround has a radius 2.6 m and a rotational inertia 83 kg.m^2. When the merrygoround is at rest, a child with mass 27 runs with speed 4.3 along a line tangent to the rim and jumps on. The angular velocity of the merrygoround is

physics
In a playground there is a small merrygoround of radius 1.40 m and mass 140 kg. The radius of gyration is 0.960 m. A child of mass 43.0 kg runs at a speed of 3.70 m/s tangent to the rim of the merrygoround while it is at rest, and then jumps on. Find

physics help
At a playground, a 20kg child sits on a spinning merrygoround, as shown from above in (Figure 1) . The merrygoround completes one revolution every 6.2 s, and the child sits at a radius of r=1.8m. a) What is the force of static friction acting on the

physics
A merry go round makes 2 revolutions every 2 s. A child is sitting 1.80 m from the center. Calculate a)The period of the merry go round b)the speed of the child in his position c) the centripetal acceleration of the child d) the net horizontal force on the

Physics
A child pushes a merry goround from rest to a final angular speed of 0.78 rev/s with constant angular acceleration. In doing so, the child pushes the merrygoround 1.6 revolutions. What is the angular acceleration of the merry goround? v=d/t .78rev/s =

Physics
A 15 kg child stands on the edge of a small merrygoround of radius 2.0 m. If the merrygo round turns at a steady rate of 11 rpm, calculate the magnitude and direction of the net force on the child.

physics
A 22 kg child is riding a playground merrygoround that makes 40 revolutions in 60 seconds. Determine the magnitude of force (in Newtons) necessary to make the child stay on the merrygoround if she is 1.25m from its center.

Physicscircular force
A child on a merrygoround is moving with a speed of 1.40 m/s when 1.18 m from the center of the merrygoround. (a) Calculate the centripetal acceleration of the child. (and I got 1.08) (b) Calculate the net horizontal force exerted on the child (mass =

Physics
A playground merrygoround (which can be modeled as a disk) has a 3.4 m diameter, a mass of 240 kg and is rotating at 22.5 rpm. A 35 kg child running at 6.0 m/s, tangent to and in the same direction as the merrygoround is turning, jumps on the outer

science
Which way is the momentum occuring if a child is riding a merry go round at a constant speed. So for example at each 4 "sides" of the merry go round which direction is momentum . I know the velocity is always tangent to the circle at a specific point. does

Physics
A child (48 kg) stands on the edge of a stationary merrygoround (uniform disk of radius 1.2 m and mass 50 kg). The child jumps off at 1.0 m/s with respect to the ground in the direction tangential to the edge. Find the angular speed of the merrygoround

Physics
A child of mass m is playing on a merrygoround which has mass 6m and radius r. Assume the merrygoround is a uniform disk. The child is standing on the edge of the merrygoround, which is spinning with an angular speed ω1. a) What is the moment of

Physics
A child pushes tangentially on a small hand driven merry go round. She is able to accelerate it from rest to 18 rpm in 10 s. Modeling the merry go round as a uniform disk of radius 2.5 m and mass 780 kg, find the torque required to produce that

PHYSICS! need help!
A child pushes tangentially on a small hand driven merry go round. She is able to accelerate it from rest to 20 rpm in 10 s. Modeling the merry go round as a uniform disk of radius 3.5 m and mass 800 kg, find the torque required to produce that

Physics
A child pushes tangentially on a small hand driven merry go round. She is able to accelerate it from rest to 18 rpm in 10 s. Modeling the merry go round as a uniform disk of radius 2.0 m and mass 800 kg, find the torque required to produce that

Physics
A child pushes tangentially on a small hand driven merry go round. She is able to accelerate it from rest to 16 rpm in 10 s. Modeling the merry go round as a uniform disk of radius 4.0 m and mass 770 kg, find the torque required to produce that

physics
A merrygoround in a playground has a mass of 200 kg and radius of 1.50 m. You apply a force F = 23 N tangentially to the edge of the merrygoround for a time of 6.5 s. The moment of inertia of the merrygoround is 1/2(mR2). What is the angular

physics
A 39.0kg child runs with a speed of 2.70m/s tangential to the rim of a stationary merrygoround . The merrygoround has a moment of inertia of 506 kg m^2 and a radius of 2.51m . When the child jumps onto the merrygoround, the entire system begins to

physic
Suppose you and a friend, each of mass 65 , go to the park and get on a 4.5 diameter merrygoround. You stand on the outside edge of the merrygoround, while your friend pushes so that it rotates once every 5.0 seconds. What is the magnitude of the

physics
A child with a mass of 46 kg is riding on a merrygoround. If the child has a speed of 3 m/s and is located 2.2 m from the center of the merrygoround, what is the child's angular momentum? ____kg2/s

physics
A child with a mass of 46 kg is riding on a merrygoround. If the child has a speed of 3 m/s and is located 2.2 m from the center of the merrygoround, what is the child's angular momentum? ____kg·m2/s

physics
A child exerts a tangential 41.9N force on the rim of a diskshaped merrygoround with a radius of 2.25 m. If the merrygoround starts at rest and acquires an angular speed of 0.086 rev/s in 3.57 s, what is its mass?

Physics
A horizontal 873 N merrygoround of radius 1.11 m is started from rest by a constant horizontal force of 70.6 N applied tangentially to the merrygoround. Find the kinetic energy of the merrygoround after 3.59 s. The acceleration of gravity is 9.8 m/s2

Physics
A merrygoround is a common piece of playground equipment. A 6.42m diameter merrygoround with a mass of 648.0kg is spinning at 39.4rpm. John runs tangent to the merrygoround at 6.36m/s, in the same direction that it is turning, and jumps onto the

Physics
A 900kg merrygoround (a flat, solid cylinder) supports 10 children, each with a mass of 50.0 kg, located at the axis of rotation (thus you may assume the children have no angular momentum at that location). You need to describe a plan to move the

Physics
A merrygoround is rotating at 4.775 revs/min with a 45 kg child on the outer edge. The radius is 2.0 m. The child moves to the centre of the merry go round. What is the final angular velocity of the merry go round. The moment of inertia of the

Physics
A few kids decide to go to the park to go on the merrygoround. They are the only ones there so the merrygoround is not moving yet. They push it for 6.00 s and it moves over an angle of 129°. What is the final angular velocity of the merrygoround?

physics
A 44.8 child is standing on the outer edge of a merrygoround that has moment of inertia 981 and radius 2.40 . The entire system is initially rotating at 0.180 . Find the angular velocity if the child moves to a final position 1.10 from the center of the

Physics
A 24.5kg child is standing on the outer edge of a merrygoround which has moment of inertia 989 kg • m2 and radius 2.40 m. The entire system is initially rotating at 0.180 rev/s. Find the angular velocity if the child moves to a final position 1.10 m

physics
A playground merrygoround of radius R = 1.1 m has a moment of inertia of I = 280 kg*m^2. and is rotating at a rate of ω = 9 rev/min around a frictionless vertical axis. Facing the axle, a 37 kg child hops onto the merrygoround and manages to sit down

physics
A merrygoround (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a uniform disk of mass 200 kg and radius 110 cm (consider the metal poles to have a negligible mass compared to the

mit physsics
A merrygoround (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a uniform disk of mass 200 kg and radius 110 cm (consider the metal poles to have a negligible mass compared to the

Physics
A merrygoround accelerates from est at .870 rad/sec^2. When the merrygoround has made 4 complete revolutions, how much time has elapsed since the merrygo round started? What is the angular velocity of the merrygo round? Could someone help, please

Classical Mechanics Physics
A merrygoround (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a uniform disk of mass 210 kg and radius 110 cm (consider the metal poles to have a negligible mass compared to the

physics (Urgent)!!!!!!!!!!!!!!!!!!!!!!
A merrygoround (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a uniform disk of mass 210 kg and radius 110 cm (consider the metal poles to have a negligible mass compared to the

PHYSICS
A merrygoround (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a uniform disk of mass 190 kg and radius 100 cm (consider the metal poles to have a negligible mass compared to the

Physics
A person exerts a tangential force of 34.8 N on the rim of a diskshaped merrygoround of radius 2.60 m and mass 152 kg. If the merrygoround starts at rest, what is its angular speed after the person has rotated it through an angle of 30.4°? (in rad/s)

physics, science!!!
A child having a mass of 37 kg sits 0.2 m from the center of a merrygoround that is rotating with a period of 36 s. What is the centripetal force acting on the child?

Physics
A child having a mass of 45 kg sits 0.5 m from the center of a merrygoround that is rotating with a period of 23 s. What is the centripetal force acting on the child?

Physics
A child sitting 1.39 m from the center of a merrygoround moves with a speed of 1.21 m/s. Calculate the centripetal acceleration of the child. (in m/s^2) Calculate the net horizontal force exerted on the child (mass = 22.5 kg). (in N)

physics
A child moves with a speed of 5.40 m/s when positioned 14.0 m from the center of a merrygoround. Calculate the net force (in newtons) exerted on the child, whose mass is 26.0 kg.

Physics
A child pushes a toy box 4.0 m along the floor with a force of 6.00 N directed downward at an angle 37.0 degrees to the horizontal. (a)How much work does the child do? (b)Would you expect more or less work to be done if the child pulled upward at the same

physics, science!
A child having a mass of 37 kg sits 0.2 m from the center of a merrygoround that is rotating with a period of 36 s. What is the centripetal force acting on the child? What is the centripetal force in Newtons?

science, pysics
A child having a mass of 37 kg sits 0.2 m from the center of a merrygoround that is rotating with a period of 36 s. What is the centripetal force acting on the child? What is the centripetal force in Newtons?

physics help please
A 33kg child named Lindsey runs as fast as she can and jumps onto the outer edge of a merrygoround. The merrygoround is initially at rest and has a mass of 78kg and a radius of 2.20m. Lindsey's linear velocity was 9 m/s at the moment she jumped onto

Physics
Which of the following events does not involve a change in angular momentum? 1. A spinning ice skater drawing in her arms to increase her rotational speed. 2. A child walking along the perimeter of a merrygoround as it rotates. 3. A child walking towards

Physics
This set of questions uses an interesting formula. A torque applied for a certain time causes a change in angular momentum. Torque * (delta t) = delta L Lindsey is on the merrygoround again. Her mass is 33kg . The merrygoround has a mass of 78kg and a