he turntable in a microwave oven has a moment of inertia of 0.040 kg⋅m2 and is rotating once every 4.4 s . What is its kinetic energy?

Q: A 30.0 kg wheel, essentially a thin hoop with radius 1.50 m, is rotating at 31.4 rad/s. It must be…

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Q: A lawnmower engine brings a 1 m-long by 0.1 m-wide cutting blade of mass 2.55 kg from rest to an…

A: The length of the cutting blade: The width of the cutting blade: The mass of the cutting blade: The…

Q: Big Ben has an hour hand shaped like a rod of length L = 2.70 m and uniform M = 70.0 kg. It rotates…

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Q: A potter’s wheel with rotational inertia 24 kg ∙ m^2 is spinning freely with no friction at 50 rpm.…

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Q: The rigid body shown is rotated about an axis perpendicular to the paper and through the point P. If…

A: Given Two objects of mass M and 3M where M = 0.4 kg a = 30 cm = 0.3 m b = 50 cm = 0.5 m angular…

Q: In the figure, two blocks, of masses m=1.69 (kg) and M=3.65 (kg), are connected by a light string…

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Q: A torque of 170 N.m does 4715 J of work on a rotating flywheel. If the flywheels initial kinetic…

A: Given : τ = 170 N.m W = 4715 J Ki = 1320 J

Q: One way to store energy is in the rotational motion of a flywheel, and some have proposed using such…

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Q: A 40-kg cylinder pulley with a radius of 0.2 m rotates at a constant angular speed of 4 rad/s. What…

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Q: A merry-go-round on a playground consists of a horizontal solid disk with a weight of 795 N and a…

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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 thin, 200 gg disk with a diameter of 8.00 cmcm rotates about an axis through its center with 0.15…

A: Mass, m = 200 g = 0.2 kg Diameter, d = 8 cm = 0.08 m Radius, r = d/2 = 0.04 m Kinetic energy, K =…

Q: A merry-go-round on a playground consists of a horizontal solid disk with a weight of 795 N and a…

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Q: A torque of 170 N.m does 4617 J of work on a rotating flywheel. If the flywheels initial kinetic…

A: To answer the question, we will use the work-energy theorem.

Q: The turntable in a microwave oven has a moment of inertia of 0.038 kg⋅m2 and is rotating once every…

A: Given, moment of inertia =0.038 kg.m2time period T =5.0 secwe have to calculate the kinetic energy.

Q: , assuming that th

A: Given as, Length (L) = 1 m  Acceleration due to gravity (g) = 9.8 m/s2

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: Carlonda has a solid ball that she rolls while teaching class at Carver High School. It has a mass…

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Q: The radius of a wheel is 0.700 m. A rope is wound around the outer rim of the wheel. The rope is…

A: Given, The radius of a wheel is r = 0.700 m

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 disk of mass 3.3 kg and radius 0.25 m is initially spinning at 510 rpm. A brake is applied until…

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Q: a force 49.5 N tangentially to the edge of the disk to start it from rest. What is the kinetic…

A: GivenWeight of solid disk, W=795 NRadius of solid disk, r=1.47 mForce applied by child, F=49.5…

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 child of mass M is in a swing at the park. The chains have length L. The child is pulled back by…

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Q: The puck in the figure below has a mass of 0.120 kg. The distance of the puck from the center of…

A: The objective of the question is to determine the work done on the puck. This can be done by…

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

A: mass = 0.65 kg Length (L) = 0.55 m

Q: A thin uniform rod has a mass of 10.0 Kg and a length of 5.00 m. It rotates freely in a vertical…

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Q: (a) How much work has the force done at the instant the disk has completed two revolutions, starting…

A: If the angular accleration is α and moment of inertia is I                                  then the…

Q: 0 R circular hoop of radius 25.0 cm and mass 75.0 g is rotates at 250 rpm about its radial axis as…

A: The radius of the hoop Mass of the hoop Angular Speed

Q: An object starts from rest at the top of an inclined plane and moves down. Friction and air…

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Q: A rubber ball is rolled down and up a hill without slipping. Which energy graph is correct as the…

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Q: disk-shaped motor component is running with angular velocity ω0=16.26 rad/s around its axis of…

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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 flywheel is a disk that is 0.3 m in radius and has a mass of 15kg. Mechanical energy can be stored…

A: The objective of the question is to find the angular speed required to spin the flywheel in order to…

Q: The propeller of a light plane has a length of 1.772 m and a mass of 21.96 kg. The propeller is…

A: The objective of the question is to calculate the rotational kinetic energy of the propeller. The…

Q: An electric motor is used to drive the shaft of a small water pump During a performance test, 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…

A: Given,  Energy produced by car, KE = 3.38×10^9 Radius of flywheel, 'r' = 0.517 m Mass of flywheel,…

Q: en has a moment of inertia of 0.040 kg m square and is rotating once every 4.0 sec. What is its…

A: Given:-  Moment of inertia I = 0.040 kg m2 it rotates once every 4.0 sec. Find:-  What is its…

Q: The figure shows a rigid assembly of a thin hoop (of mass m = 0.26 kg and radius R = 0.17 m) and a…

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Q: Question 8. A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk…

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Q: The puck in the figure below has a mass of 0.140 kg. Its original distance from the center of…

A: Given Mass (m)                                               = 0.140 kg Initial radius (ri)…

Q: While spinning down from 500.0 rpm to rest, a solid uniform disk does 51 KJ of work. If the radius…

A: Given,  Flywheel spinning down from N = 500 rpm. Kinetic energy = 51 kJ Radius = 400mm We need to…