The angular momentum of a solid sphere rotating at a certain angular speed about a diameter is 53.7 kg-m2/s. If it is compressed to half its radius without changing its mass, what would be its angular momentum if it rotated at the same angular speed as before?

Q: A thin circular ring of mass 5 kg and radius 20 cm is rotating about its axis with an angular speed…

A: Given: A thin circular ring of mass, M = 5 kg Radius, R = 20 cm Rotating with angular speed, ω=10…

Q: An airplane of mass 17116 kg flies level to the ground at an altitude of 12 km with a constant speed…

A: Write the given values with the suitable variables. m=17116 kgr=12 km=12000 mv=197 m/s Here, m, r,…

Q: A cockroach of mass m lies on the rim of a uniform disk of mass 7 m that can rotate freely about its…

A: Angular momentum, L = I ω Where, I = moment of inertia ω = angular velocity As angular momentum is…

Q: A playground ride consists of a disk of mass M = 59 kg and radius R = 2.2 m mounted on a…

A: SOlution: I will solve the first 3 parts of teh question as per the Bartleby guidelines:

Q: What is the angular momentum of the disc rotating with angular speed of 10 rad/s, if the mass = 200…

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Q: A uniform disk of mass 7 kg and radius 0.2 m is free to rotated about an axis perpendicular to its…

A: Given: The mass of the uniform disk is 7 kg. The radius of the uniform disk is 0.2 m. The magnitude…

Q: Two particles of masses M1=2Kg and M2=3Kg are attached to the ends of a 2.4 meter long light…

A: Answer:-      A) L=86.4kgm^2/s      Option A is correct Answer.

Q: Colliding rotating disks. Two identical disks, each with mass m and radius R, slide on an ice track…

A: Let the initial linear momentums of the disks be:p1=mv1 and p2=mv2Since after the collision, the…

Q: A spherical satellite of approximately uniform density with radius 5.7 m and mass 240 kg is…

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

Q: A cockroach of mass m lies on the rim of a uniform disk of mass 7 m that can rotate freely about its…

A: Given that: Mass of cockroach, mc=m Mass of disk, md=7m Radius of the disk=R ω=0.324 rad/s

Q: What is the angular momentum of a 250-g mass rotating on the end of a piece of rope in a circle of…

A: Given , Mass = 250 g = 0.25 kg W = 12 rad/s R = 50 cm = 0.5 m

Q: Two 2.00 kg balls are attached to the ends of a thin rod of length 50.0 cm and negligible mass.The…

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Q: A uniform disk of mass 19 kg and radius 0.6 m is free to rotated about an axis perpendicular to its…

A: Answer: Let the mass of the disk be M, the radius of the disk be R, the magnitude of the force…

Q: A particle of mass 4.4 kg has position vector r= (1.9î – 3.4j) m at a particular instant of time…

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Q: A solid sphere, with a mass of 5 kg and a radius of 3 m, rolls with constant speed along a…

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Q: Problem 5:  An ice skater is spinning at 5.4 rev/s and has a moment of inertia of 0.44 kg ⋅ m2.…

A: (a) Write the expression for angular momentum

Q: As shown, three particles on a rigid rod of negligible mass are rotating about the x axis with an…

A:

Q: A person, sitting on a stool that can rotate about  a frictionless vertical axis, is holding a wheel…

A: Final angular momentum of the person and stool is L= 40 kg m2/s

Q: An ice skater is spinning at 6.8 rev/s and has a moment of inertia of 0.24 kg ⋅ m2. a)Calculate the…

A: Write the given values of this problem. I=0.24 kg.m2ωo=6.8 rev/sor, ωo=6.8 rev/s2πrad/srev/sωo=42.7…

Q: vertical plastic rod of mass M and length L is free to rotate about its center but is at rest. A…

A: Mass of rod = M Lengh = L Mass of bullet (m) = M/18

Q: A sanding disk with rotational inertia 0.0012 kg-m² is attached to an electric drill whose motor…

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Q: A disk of mass M is spinning freely at 9.11 rad/s when a second identical disk, initially not…

A: Given data: Angular velocity, ω=9.11 rad/s

Q: A uniform ruler of mass (200g) rotates with an angular velocity of 3 rads/s about a perpendicular…

A: Given data:  Mass (m) = 200 g = 0.200 kg Length (L) = 1 m Angular velocity (ω) = 3 rad/s Momentum of…

Q: An ice skater is spinning at 6.4 rev/s and has a moment of inertia of 0.48 kg ⋅ m2. Calculate the…

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Q: The angular momentum of a sphere is given by  L = (−5.00t3) + (6.10 − 1.80t2) + (6.95t),  where L…

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Q: A disk is mounted with its axis vertically. It has radius R and mass M. It is initially at rest. A…

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Q: A 1640 kg car has just passed a diner. The closest the car came to the diner was ?=24.5 m, but the…

A: The velocity of the car can be found by the following kinematics equation, Here, x, v, a, and t…

Q: The figure shows a small piece of clay colliding into a disk. The disk is initially at rest, but can…

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Q: In a long jump, an athlete sweeps one of her arm clockwise through 0.5 revolution and the other arm…

A: Angular frequency of arm 1

Q: What is the angular momentum of the disk after those rotations are complete, in kg m2/s?

A: Moment of Inertia The moment of inertia of a rigid body about an axis is defined as the sum of the…

Q: A uniform disk of mass 10m and radius 3.0r can rotate freely about its fixed center like a…

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Q: Find the angular momentum (in kg · m2/s) of Saturn in its orbit around the Sun. - The mass of Saturn…

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Q: The mass of an electron is 9.0 x 10-31 kg. It revolves around the    nucleus of an atom in a…

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Q: A uniform disk of mass 7.00m and radius 7.00r can rotate freely about its fixed center like a…

A: Given that the mass of the uniform disc is 7m  and radius of the uniform disc is 7r and also given…

Q: A 40-gram point mass is traveling at a velocity of v = 2.6 m/sec parallel    to the x-axis along…

A: A 40-gram point mass is traveling at a velocity of v = 2.6 m/sec parallel to the x-axis along the…

Q: A uniform disk of mass 7.00m and radius 7.00r can rotate freely about its fixed center like a…

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Q: In an experiment, it is necessary to calculate the angular moment of a disk with an M-mass R radius…

A: Let L be defined as the angular momentum of the disk. Then, Here, M is the mass of the disk. ω is…

Q: What is the angular momentum of a solid disk at t=2.5s if its mass is 0.25kg, its radius is 4m, and…

A: The angular acceleration of the disk can be found as, Here, I, τ, and α represent the disk’s moment…

Q: Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons…

A: We are given a star which collapses to become a neutron star. The radius for both the stars is…

Q: A solid cylinder of mass 4 kg and radius 2 m rotates with constant angular velocity of 5 rad/s about…

A: Given: mass of cylinder, m = 4 kg radius, R = 2 m angular velocity, ω = 5 rad/s