Calculate the moment of inertia (in kg·m2) of a skater given the following information.   (a)The 88.0 kg skater is approximated as a cylinder that has a 0.130 m radius. ____kg·m2   (b)The skater with arms extended is approximately a cylinder that is 82.0 kg, has a 0.130 m radius, and has two 0.750 m long arms which are 3.00 kg each and extend straight out from the cylinder like rods rotated about their ends. _____kg·m2

Q: A 133 kg horizontal platform is a uniform disk of radius 1.79 m and can rotate about the vertical…

A: Given:mass of the disk, m = 133 kgradius of the disk, r = 1.79 mmass of the person, mp = 61.7…

Q: Each of the double pulleys shown has a mass moment of inertia of 15 Ib-ft-s² and is initially at…

A:

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 2.97 kg (see figure…

A: Given data: Moment of inertia of student + stool is, I0 =2.56 kg.m2 Mass of each dumbbell is, m=…

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A:

Q: A student sits on a freely rotating stool holding tvo dumbbells, each of mass 3.09 kg (see figure…

A:

Q: Two balls with masses M = 4.67 kg and m = 2.67 kg are connected by a rigid bar of length L = 2.51 m…

A: Given that   M = 4.67 kg  m = 2.67 kg  L = 2.51 m Find the minimum moment of inertia in kg/m2 for…

Q: Calculate the moment of inertia (in kg-m2) of a skater given the following information. (a) The 92.0…

A:

Q: Two thin disks are attached, as shown in the figure. The angle 0 = 45°, and the masses and radii of…

A: Given data- Disk A-   mass MA=0.80 kg radius RA=30 cm=0.30 m Disk B     mass MB=0.40 kg radius Rb=20…

Q: our objects are held in position at the corners of a rectangle by light rods. m1 (kg) m2 (kg) m3…

A: Given:- Four objects are held in position at the corners of a rectangle by light rods. m1 (kg) m2…

Q: A playground merry-go-round of radius R = 1.98 m has a moment of inertia of I = 240 kg * m2 and is…

A: Inertia of child = mr^2Inertia of child = 26 * 1.98^2 = 101.9 kg-m^210.7 rpm = 1.121rad/s

Q: Calculate the moment of inertia of a skater given the following information. (a) The 60.0-kg skater…

A: a) The moment of inertia in this case is given by,

Q: Calculate the moment of inertia by direct integration of a thin rod of mass M and length L about an…

A:

Q: 7.0 kg bowling ball has a moment of inertia of 2.8x10-2 kg m2, and a radius of 0.10 m. If it rolls…

A:

Q: The four particles shown below are connected by rigid rods of negligible mass where y, = 6.20 m. The…

A: Given,

Q: |=mr²/4

A:

Q: Calculate the moment of inertia, I for this mass-less rod that has three masses attached at the…

A:

Q: The moment of inertia is the quantity that replaces mass in all the old formulas. Not only is the…

A:

Q: A 101 kg horizontal platform is a uniform disk of radius 1.61 m and can rotate about the vertical…

A: Given Mass of horizontal platform = 101 kg (uniform disk ) Radius of platform = 1.61 m Mass of a…

Q: Why is the moment of inertia of a hoop that has a mass M and a radius R greater than the moment of…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of…

A: Given data: The initial distance between the dumbbells and axis of rotation of stool is r1=0.580 m.…

Q: A physics teacher on a spinning chair has a moment of inertia of 4.5 kg m^2 with his arm…

A: Given Data: The moment of inertia of the physics teacher when his arms are outstretched is: Io=4.5…

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.10 kg (see figure…

A: When the boy rotates the angular momentum of the syster remains constant. I*w = constant. So  I2/I1…

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Q: The moment of inertia for a 2200 kg solid disc is 11800 kg-m². Find the radius of the disc. A. 3.275…

A:

Q: Consider the system shown below where four point masses are connected to each other by massless…

A: We have two objects of mass m=7 kg at points (a,0) and (-a,0) where a=1.2 m and two objects of mass…

Q: Calculate the moment of inertia (in kg·m2) of a skater given the following information.   (a)The…

A:

Q: Calculate the moment of inertia, I for this mass-less rod that has three masses attached at the…

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Q: The wheel of radius R shown below consists of a hoop of mass m and two thin rods, each of mass M.…

A:

Q: Two barbells are sitting on the floor at the RWC. Both consist of a 10 kg bar with length 1.5 m, and…

A: the moment of inertia depends on the distribution of mass around the choice of the axis of rotation.…

Q: A person of mass 76 kgkg stands at the center of a rotating merry-go-round platform of radius 3.5 mm…

A: The given data are listed below with appropriate variables. Here, m denotes the mass of a person, r…

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.02 kg (see figure…

A: a) From conservation of angular momentum, the required new angular speed is, b) Initial kinetic…

Q: A 103 kg horizontal platform is a uniform disk of radius 1.57 m and can rotate about the 62.7 kg…

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Q: A merry-go-round with a moment of inertia equal to 1250 kg m2 and a radius of 2.7 m rotates with…

A: Given that:I1=1250 kg.m2r=2.7 mωi=1.71 rad/sωf=1.29 rad/s

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

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Q: What is the moment of inertia of a hockey puck that has a mass of 170 g, a thickness of 2.5 cm, and…

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Q: An ice skater has a moment of inertia of 4.5 kgm2 when her arms are outstretched.  With her arms…

A: If the net torque on a system is zero, then the angular momentum of the system is conserved, i.e.,…

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Q: A student sits on a rotating stool holding two 3.4-kg objects. When his arms are extended…

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Q: Calculate the moment of inertia of a skater given the following information. a) The 70-kg skater is…

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Q: The moment of inertia of thin rod of length 2.1 m about an axis passing through the center of mass…

A: Let M denotes the rod’s mass, L denotes the rod’s length, Iz denotes the moment of inertia about the…

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.