Find the rotational kinetic energy of a ring of mass 9 kg and radius 3 m rotating with 240 rpm about an axis passing through its center and perpendicular to its plane. (rpm is a unit of speen of rotation which means revolutions per minute)

Q: thin stick of mass 0.2 kg and length 0.5m is attached to the rim of a metal disk of mass 2kg and…

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Q: A bus contains a 1500 kg, 0.600 m radius flywheel (a disk) and has a total mass of 10,000 kg. (a)…

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Q: disk spins at a rate of 6000 radians every 10 minutes. (a) What is the angular velocity of the disk…

A: Given  Angular displacement = 6000 radians  Time taken = 10 min  = 10×60 sec  = 600 sec

Q: A hula-hoop with a radius of 0.35 m is rotating at 15 radians per second. It weighs 1.7 kg. (A) How…

A: We know,v=rωwhere,v is linear velocityr is radius of hula hoopω is angular…

Q: If the rotational inertia of a disk is 30 kg m2, its radius R is 2.2 m, and its angular velocity…

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Q: We can use rotating cylinder to store energy in space. Let a 10-meter-long cylinder with diameter…

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Q: A sphere of radius 20.0 cm and mass 1.80 kg starts from rest and rolls without slipping down a 30.0…

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Q: The mass of the earth is M = 6.0 × 1024 kg and its radius is R = 6.4 × 106 m. (a) Estimate the…

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Q: A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its…

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Q: A lawn mower has a flat, rod-shaped steel blade that rotatesabout its center. The mass of the blade…

A: a) The required rotational energy is,

Q: A 1.1-kg 20-cm-diameter solid sphere is rotating about its diameter at 73 rev/min. (a) What is its…

A: a)Total kinetic energy is the sum of rotational and translational kinetic energies.

Q: An electric sander consisting of a rotating disk of mass 0.7 kg and radius 10 cm rotates at 15…

A: Given data: Mass of the rotating disk, m=0.7 kg Radius of the disk, r=10.0 cm = 0.10 m Initial…

Q: A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its…

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Q: A bus contains a 1500 kg, 0.600 m radius flywheel (a disk) and has a total mass Ul (a) Calculate the…

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Q: A uniform disk with a radius of 0.3 m and mass of 59.1 kg rotates at 7.0 rad/s. What is the…

A: Calculate the moment of inertia of the disk. I=12mr2I=12(59.1 kg)(0.3 m)2I=2.6595 kg⋅m2

Q: An electric sander consisting of a rotating disk of mass 0.7 kg and radius 10 cm rotates at 15…

A: Final rotation kinetic energy

Q: A lawn mover has a flat, rod-like-shaped steel blade that rotates about its center. The mass of the…

A: The rotational kinetic energy can be calculated by using the formula Er=12Iω2 , where I=mr2 is the…

Q: A disk of radius 1.5m rotates around its center because a force of 160N is applied tangent to its…

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Q: rod of length 2.0 m and mass 4.00kg is at rest. The rod is rotated about its center so that it…

A: Given data Mass of rod is m=4.00 kg Length of the rod is l=2.0 m Initial angular speed is ω0=0…

Q: A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its…

A: The energy produced by the car, The radius of the flywheel, Mass of flywheel,

Q: A bus contains a 1500 kg, 0.600 m radius flywheel (a disk) and has a total mass of 10,000 kg. (a)…

A: Given: The mass is m=1500 kg, The  radius of the flywheel (disk) is R=0.600 m, The total mass is…

Q: A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its…

A: given that,Energy E = Mass of flywheel m = 34.8 kg Radius of flywheel R = 0.577 m, now we find the…

Q: Read the question carefully and give me right solution according to the question.  A 1,200 kg car…

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Q: A disk of mass 3.8 kg and radius 0.17 m starts at the bottom of a 25 degree incline. It's…

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Q: A solid disk has a radius of 0.084 m and a mass of 5.33 kg. What is the rotational kinetic energy of…

A: given solid disk of mass (m)=5.33kg                       And radius (r)=0.084m  rate of rotation…

Q: A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its…

A: Given: The energy produced is 3.25x109 J. The mass of the flywheel is 18.3 kg. The radius is 0.303…

Q: Imagine a spinning solid melon. It has a mass of 1.0 kg and a 18-cm diameter. It turns a rate of…

A: Data Given ,  Mass of melon ( M ) = 1 kg Diameter ( d ) = 18 cm = 0.18 m Radius ( R ) = 0.09 m…

Q: A flywheel of mass 4 kg has radius of gyration 0.4 m. Calculate the kinetic energy of rotation when…

A: We need to compute-Kinetic energy of flywheel (K.E.)=?The data given as-Mass of the flywheel (m)=4…

Q: Calculate the rotational kinetic energy of a 12-kg motorcycle wheel if its angular velocity is 120…

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Q: The SI unitfor rotational kinetic energy J kg ^2 none W

A: Introduction: when object moved in the rotational motion, due to its motion object possess energy…

Q: What is the kinetic energy of a 123 cm long thin uniform rod with a mass of 458 g that is rotating…

A: Length of rod l = 123 cm = 1.23 m. Mass m = 458g = 0.458kg. Angular velocity  Ω = 4.0 rad/s.…