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: A 2m radius wheel with spokes, rotating at 100 rad/s, slows down to rotational velocity of 82 rad/s…

A: Radius= 2m

Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 35.6 kJ when rotating at…

A: GIVEN:-                 Kinetic energy of wheel = 35.6 kJ                              Angular speed…

Q: The radius of a circular path is 45 meters. A ball moves around this path with tangential velocity…

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Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 17.5 kJ when rotating at…

A: Rotational inertia of the wheel is 3.754 kg.m2Explanation:

Q: A flywheel in the form of a uniformly thick disk of radius 1.78 m has a mass of 25.6 kg and spins…

A: This question can be solved using the formulas: ω = ω0 + αt and τ = Iα The answer is contained in…

Q: To increase the electric power generated during the peak hours, the angular velocity of the steam…

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Q: A wheel with a rotational inertia of 50 kg*m^2 is rotating at 20 rad/s. How much work must be…

A: The data is given as, I=50 kg⋅m2ω1=20 rad/sω2=0 rad/s

Q: To increase the electric power generated during the peak hours, the angular velocity of the steam…

A: Given that:- Initial angular velocity=1500 rpm

Q: A bicycle wheel with a radius of 13.0 inches turns with an angu-lar velocity of 3 radians per…

A:

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: The disk of a rotating cutter rotates about its central axis at 33.5 rev/min and takes 60 seconds to…

A:

Q: Calculate the rotational inertia of a sphere having a mass of 1000 g and a radius of 550 cm through…

A: Given data:  Mass (M) = 1000 g = 1 kg Radius (R) = 550 cm = 5.50 m Required: The rotational inertia…

Q: What is the linear velocity of a point moving along a circle when the angular velocity is 5.2…

A: Given data: Angular velocity (ω) = 5.2 rad/s Diameter (d) = 12.3 cm Required: Linear velocity (v)

Q: A disk is constructed so that it can be made to rotate about an axis through it's center of mass…

A: Given: A disc is rotating about an axis through CM, rim(R), halfway b/w R & CM(H).

Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 20.5 kJ when rotating at…

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Q: A merry-go-round has a mass of 1480 kg and a radius of 7.00 m . How much net work is required to…

A:

Q: A 2.80 kg grinding wheel is in the form of a solid cylinder of radius 0.100 m. (a) What torque will…

A:

Q: Calculate the rotational inertia of a meter stick, with mass 0.351 kg, about an axis perpendicular…

A: Given mass m =0.351kg X=40.3cm calculate the rotational inertia of a meter stick

Q: The disk of a rotating cutter cutter rotates about its central axis at 33.5 rev/min and takes 60…

A:

Q: (a) Calculate the rotational kinetic energy of Earth on its axis. (b) What is the rotational kinetic…

A: We have to find The rotational energy of earth around it's own axis  The rotational energy of earth…

Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 38.0 kJ when rotating at…

A:

Q: In an eccentric press, the 2.5 kW motor rotates at 1410 rpm and drives the crank with a 12: 1 gear…

A:

Q: A 10kg wheel of radius 0.5m is initially spinning at 3 revolutions per minute before coming to stop…

A: Given that,Mass , M=10kgAcceleration, R=0.5mInitially spinning at 3 revolutions per minuteWork done…

Q: The Earth spins on its axis and also orbits around the Sun. For this problem use the following…

A: a. Rotational Kinetic Energy of the Earth about its axisThe rotational kinetic energy of an object…

Q: car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and…

A:

Q: If the ball starts at rest in 1527.88 meters per second and moved 1 revolution around the path in 10…

A: The ball moved 1revolution around the path in 10seconds.  Radius= Angular acceleration=?

Q: Write a question requires a mathematical calculation about the rotational displacement of an object…

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Q: A merry-go-round has a mass of 1550 kg and a radius of 7.40 m .  How much net work is required to…

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Q: An electric sander consisting of a rotating disk of mass 0.5 kg and radius 13 cm rotates at 22…

A: Given: Mass of the disk, m = 0.5 kg. Radius of rotation, r = 0.13 m. Speed of rotation, N = 22 rps.…

Q: A wheel of radius 0.5 m completes 6 revolutions in 3 seconds while rotating with a constant speed.…

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Q: What is the rotational kinetic energy in KILOJOULES of a spinner if it rotates at a constant speed…

A: Given  three masses rotating around a vertical axis  required total rotation kinetic energy

Q: Ex. 16 : A flywheel of mass 4 kg has radius of gyration 0.4 m. Calculate the kinetic energy of…

A: To find-Kinetic energy of flywheel(K.E)=?Given-Mas of flywheel (m)=4 kgRadius of gyration (K)=0.4…

Q: A merry go round with a radius of 6.0 meters rotates at a speed of 8 revolution per minute .…

A:

Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 14.8 kJ when rotating at…

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Q: The radius of a flywheel is 0.24 m. If the angular speed of the wheel is 3,408 rpm. Calculate the…

A: Given, the radius of flywheel , r = 0.24m The angular speed ,ω= 3408 rpm = 3408 revolution per…

Q: A 10kg wheel of radius 0.5m is spinning at 3 revolutions per minute. How much is the torque required…

A: The mass of the wheel is, m=10 kg. The radius of the wheel is, r=0.5 m. The number of revolution is,…

Q: 15 rad/s in time t= 8s. The moment of inertia of the disk I= 6 kgm?. (a) Calculate the magnitude of…

A:

Q: The angular speed of a rotating flywheel having a radius of 0.5 m is 180/ð rpm. Compute the value of…

A: Answer = 9.42 m/s