The rotational inertia of a collapsing spinning star changes to 1/8 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy? Number Enter your answer in accordance to the question statement Units Choose the answer from the menu in accordance to the question statement                                                           minkg m^2/srad/s^2rev/minNo unitskg m^2N m

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A: Given : To choose correct options.

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A: given data  Mass of person, m = 76 kg radius of merry, r = 3.5 m    I1 = 900 kg.m^2    I2 = I1 +…

Q: The rotational inertia of a collapsing spinning star changes to 1/4 its initial value. What is the…

A: Let Initial Rotational Inertia or Moment of Inertia of star = I Hence final moment of inertia = I/4

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A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

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Q: Calculate the rotational inertia of a meter stick, with mass 0.561 kg, about an axis perpendicular…

A: Given data: Mass m=0.561 kg Length of the stick L=100 cm=1m

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Q: Consider a father pushing a child on a playground merry-go-round. The system has a moment of inertia…

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Q: Question 3 The mass and the radius of a uniform cylinder are 100 kg and 0.50 m, respectively. It is…

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A: The rotational kinetic energy of a rotating rigid body or system of particles is represents by…

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A: Given: The mass of the person is 72 kg. The radius of the platform is 3 m. The moment of ineritia of…

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A: By conservation of angular momentam Li=Lf Iiωi=Ifωf

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A: a)The total moment of inertia of the system is,

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Q: The following questions refer to the second hand of a clock. The rotational inertia of the second…

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

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A: Given:  rB = 2.53 rA We have to find IAIB for a) same angular momentum and b) same rotational…

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A: Given Radius of B is 5.68 times the radius of A.   Let radius of A is rA and radius of B is rB. Now…

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A: Given data: The relation between radius of A and B is, rB=6.26rA

Q: Cons A constant torgue of 25 m - N is applied to the rim of a 15-kg uniform disk of radius 0.30 m.…

A: The moment of inertia,

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Q: Given a mass of 380 grams, and a rotational speed 180 rpm, calculate the maximum rotational kinetic…

A: Given that:- Mass of an object=380gm  And angular velocity=180 rpm

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Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 6.03…

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A: (2a)Center of mass:Center of mass of a system is defined as a single point at which the whole mass…

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Q: Hi please help: a solid disk of radius R= 70 cm rotates about its center at an angular speed of 43…

A: Radius of the disc R=70 cm Speed of the disc ω=43 rpm Mass of the disc M=7.7 kg

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A: Since both are connected by belt so tangential speed of both will be same  Now,   VA = VB  rAwA =…

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A: a) I = m1R12+m2R22+m3R32  I = mR2+(m/2)R2+(m/4)(R/2)2 I = (25/16)mR2

Q: hoop ( radius =0.5m) with a mass of 2.0 kg is rolling without slipping along a horizontal surface…

A: Initial speed = 4.5 m/s  Radius = 0.5 m  Initial angular velocity = 4.5/0.5  = 9 rad /sec  Angular…

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 4.30…

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