A 5.0-m radius playgorund merry-go-round with a moment of inertia of 2000 Kg*m2is rotating freely with an angular speed of 2.0 rad/s. Two people, each having a mass of 60 Kg, are standing right outside the edge of the merry-go-round and step on it with negligible speed. what is the angular speed of the mery go round right after the two people have stepped on?

Q: A massless, frictionless merry-go-round of radius R has one child of mass M sitting on the outer…

A: Since no net torque acts on the system, according to the principle of conservation of angular…

Q: A 0.00400 kg bullet traveling horizontally with speed 1.00 x 103 m/s strikes a 21.1 kg door,…

A: According to the law of conservation of momentum , the total initial momentum of the system before…

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A: Result 319kgm2  will be its moment of inertia about an axis 0.6m right of the 15kg

Q: You are the technical consultant for an action-adventure film in which a stunt calls for the hero to…

A: Height of the building, h = 19 m  Speed, v= 5 m/s  Radius of drum , R = 0.4 m  Mass of the…

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A: The formula for the angular momentum is:

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A: Length of rod, L = 1 m  Masses, m1 = 4.25 kg  and m2 = 3 kg  Speed of each particle, v = 6.20 m/s

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A:

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A: Given:-  Aspherical satellite of approximately uniform density with radius r =  5.7 m and mass  m=…

Q: A disk of mass M is spinning freely at 6.73 rad/s when a second identical disk, initially not…

A:

Q: A skater has a moment of inertia of 120kg m2 when his arms are outstretched and a moment of inertia…

A: Moment of inertia of skater with outstreched arms = 120 kgm2Moment of inertia of skater with arms…

Q: A solid sphere of mass M = 5 (kg) and radius R = 1 (m) is both moving with velocity vo = 10 (m/s)…

A: Given: M=5 kg             R=1 m             v0=10m/s             ω0=v02R=102=5 rad/s…

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A: The rotational analog of linear momentum is called angular momentum and is given as:L=Iωwhere I is…

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A:

Q: A 7.4 cm diameter uniform solid sphere has mass 420 g and is spinning at 2000 rpm. What's its…

A:

Q: A small Ferris Wheel has a mass of approximately 5 000 kg and a radius of 5 m. If it's known to have…

A: Angular momentum (L) = m r2 w

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A:

Q: A meter stick is hinged at its lower end and allowed to fall from a vertical position. If its moment…

A: Given:           Moment of inertia I=ML2/3

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A:

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A: The moment of inertia of the merry-go-round I=115 kgm2 The initial angular velocity of the…

Q: assume the ball is a solid sphere of radius 2.9 cm and mass0.14 kg. If the ball is released from…

A: (a) The ball is starting moving from rest, and that time the kinetic energy of the ball will zero.…

Q: A playground merry-go-round is a metal disk of radius 2.5 m and mass 80kg. Two kids, each of mass 40…

A:

Q: A spherical shell with a mass of 0.4 and a radius of 0.34 is to roll across the level ground under a…

A:

Q: The shown body is combined from Ring (with mass=3.6 kg), Rod (with mass=2.9 kg) and Disk (with…

A: Given: The mass of the ring is 3.6 kg. The mass of the disk is 3.8 kg. The mass of the rod is 2.9…

Q: Consider the system of particles that are connected by nigid rods of negligible mass. If the system…

A:

Q: einstant of the figure, two particles move in an xy plane. Particle P, has mass 6.73 kg and speed v,…

A: angular momentum L̅ = r̅ × p̅  where p = momentum

Q: The uniform rod (length 0.375 m) in the figure rotates in the plane of the figure about an axis…

A:

Q: A 4.0-m-diameter playground merry-go-round, with a moment of inertia of 400 kg ⋅ m2, is freely…

A: Given:- r= D/2= 2 m I= 400 kg.m2 wi= 2 rad/s mryan= 80 kg

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A: The tangential acceleration is given by,

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A: Mass of gate = 4.5kg Side of gate = 2m Mass of raven = 1.1kg Initial velocity of raven = 5m/s Final…

Q: uniform ring with the mass of 4 kg and a radius of 20 cm is rotating at a rate of 20 rad/s. What is…

A: Mass m = 4kg  Radius R = 20cm  Radius R = 0.20 m    Angular speed =20 rad/s.  L = I ω  L = Mr2 ω  L…

Q: A disk with moment of inertia l rotates about a frictionless,vertical axle with angular speed w, = 6…

A:

Q: A 7.4 cm diameter uniform solid sphere has mass 440 g and is spinning at 2000 rpm. What’s its…

A:

Q: What is the moment of inertia of a 1.0-m long stick with mass of 2.0kg if it is rotated along the…

A:

Q: A 0.00400 kg bullet traveling horizontally with speed 1.00 x 10 m/s strikes a 16.6 kg door,…

A: (given)               Mass of bullet = 0.00400 kg             Speed of bullet = 1×103 m/s…

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A: Given that moment of inertia of turnable and angular velocity and diameter and also given the mass…

Q: A girl of mass 31.8 kg stands on the rim of a frictionless merry-go-round of radius 1.63 m and…

A:

Q: Question 2 Consider the system of particles that are connected by ngid rods of negligible mass If…

A:

Q: The figure above shows Einstein spinning on a platform. He is initially spinning at a rate of…

A:

Q: A light rod of length l= 1.00 mrotates about an axis perpendicularto its length and passingthrough…

A: Given:m1 = 4.00 kgm2 =3.00 kgLength of the rod, L = 1 mAngular velocity of rod = 2.5 rad/s

Q: A playground merry-go-round, with radius 2.9 m and moment of inertia 127 kg m², rotates with an…

A:

Q: A playground merry-go-round, with radius 1.5 m and moment of inertia 72 kg m2, rotates with an…

A: The rotational analog of linear momentum is called angular momentum and is given as:L=Iωwhere I is…

Q: A jetliner of mass 20,000 kg is flying over level ground at a constant altitude of 4.30 km with a…

A: Angular momentum : The angular momentum l→ of a body is defined as the cross product of r→ ×p→, and…

Q: In the Olympic hammer throw, a contestant whirls a 7.3‐kg steel ball on the end of a 1.2‐m  cable.…

A: Angular momentum of any object is the product of its radius of rotation with the it linear momentum.…

Q: A physics student with a moment of inertia of 0.600 kg·m2 stands on a perfectly massless,…

A: The initial moment of inertia is, Ii=0.6 kgm2 The final moment of inertia is, If=20.28 kgm2=0.56…

Q: A massless, frictionless merry-go-round of radius R has one child of mass M sitting on the outer…

A:

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.