A cylinder has a mass of 1 kg and a diameter of 4.9 cm. It spins and slows down, starting with an initial angular velocity of 3.5 rad/s and comes to rest in 3 s. What is the torqu
Q: How long does it take for a rotating object to speed up from 15.2 to 30.78 rad/s if it has an…
A:
Q: A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually…
A: Given Data : The constant angular acceleration is given as α=0.178rads2. The Number of revolutions…
Q: A discus thrower exerts a torque of 4.5 Nm on a 1.9 kg discus. The discus has a radius of gyration…
A:
Q: A rotor with an initial angular speed of 3 rad/s accelerates at the rate of 2 rad/s2 to a final…
A: The time taken for the given case is ω=ω0+αtt=ω-ω0α=26-3 rad/s2 rad/s2=11.5 s
Q: A 4 kg ball with a 0.45-meter radius is initially at rest begins to roll and accelerate at a uniform…
A:
Q: A 4 kg ball with a 0.45-meter radius is initially at rest begins to roll and accelerate at a uniform…
A:
Q: A certain wheel has a rotational inertia of 14 kg. m² . As it turns through 10 rev its angular…
A: Given data: Moment of inertia (I) = 14 kg.m2 Angular displacement (Δθ) = 10 rev Initial angular…
Q: A 5 kg ball that has an equation for its rotational inertia of 0.5mr2 is initially at rest. The ball…
A: Given: The mass of the ball is 5 kg. The rotational inertia of the ball is 0.5mr2. The angular…
Q: A certain wheel has a rotational inertia of 14 kg. m². As it turns through 11 rev its angular…
A:
Q: An object located on the edge of a merry-go-round a distance of 4.65 cm form the center. What's the…
A:
Q: A certain wheel has a rotational inertia of 7.5 kg.m2. As it turns through 2.2 revolutions, its…
A: From kinematic relation for angular motion
Q: An object that is initially at rest begins to rotate under a constant angular acceleration of 1.67…
A: Given:object is inititally at rest, ωo= 0 rad/sacceleration is, α = 1.67 rad/s2total angular…
Q: An object that is initially at rest begins to rotate under a constant angular acceleration of 1.95…
A: Given that----- angular acceleration = 1.95 rad / sec2 angular displacement = 193 rad. Question ❓…
Q: What constant angular acceleration is required to reduce an object's angular velocity from 37.8…
A: See below
Q: A figure skater is spinning with her arms extended. She now pulls her arms close to her body. What…
A: According to the law of conservation of angular momentum, the angular momentum of the skater must be…
Q: What constant angular acceleration is required to reduce an object's angular velocity from 37.5…
A: Given : wo = 37.5 rad/s w = 15.4 rad/s N = 11
Q: What constant angular acceleration is required to reduce an object's angular velocity from 35.9…
A:
Q: A 4.54 kg, 33.8 cm radius fly-wheel is initially spinning at a speed of 754 rpm. How much torque…
A:
Q: angular speed
A:
Q: If a 500 N.m torque on a wheel causes angular acceleration 2.5 rad/s2, what is the wheel’s…
A: Torque is the rotational analog of linear force. It gives a body an angular acceleration. The…
Q: You have a hollow thin walled cylinder of mass 1.50 kg and radius 0.300 m, which is subject to a…
A:
Q: A truck wheel with radius R= 500 cm has an initial angular velocity of 12 rad/s, and is slowing down…
A: The final angular velocity is zero. The wheel is decelerating. Let, R=500 cm=5.0 mωi=12 rad/sωf=0…
Q: A 3000-kg Ferris wheel accelerates from rest to an angular speed of 0.21 rad/s 11 s . Approximate…
A: Introduction: One of the famous among the kids is to experience the Ferris wheel ride. Ferris wheel…
Q: A merry-go-round accelerates from rest to 0.68 rad/s in 33 s. If its moment of inertia is 750 kg m2,…
A:
Q: A flywheel of a motor weighs 640 lbs and has a radius of gyration of 4 ft. The motor develops a…
A: weight of the flywheel, W=640 lbs W=Mg=640 lbs g=32 ft/s2M=Wg=64032=20 lb radius of Gyration, K=4 ft…
Q: A merry-go-round starts at rest and accelerates up to an angular speed of 1.9 rad/s in 5.0 seconds.…
A: Given information: Here, m is the mass of the marry-go-round, d is the diameter of the…
Q: A 6.50-cm-diameter, 320 g solid sphere is released from rest at the top of a 1.70-m-long, 18.0degree…
A: Given:- diameter of the sphere d= 6.50 cm mass m= 320 g h= 1.70 m θ=18° Find:- a) What is the…
Q: The 22-cm-diameter disk pictured can rotate on an axle through its center. What is the net torque…
A:
Q: What constant angular acceleration is required
A: given initial angular velocity (ωi)=36.1 rad/sec Final Angular velocity (ωf)= 14.9 rad/sec Number of…
Q: A 4.03 kg, 39.2 cm radius fly-wheel is initially spinning at a speed of 717 rpm. How much torque…
A:
Q: A cylinder 37 cm in diameter is at rest initially. It is then given an angular acceleration of 0.183…
A:
Q: A turn table starts from rest and reaches 11 rad/s of angular velocity in 9.5 s. Find the angular…
A: Given Infomation:- Initial angular velocity of the turn table is ωi=0. Final angular velocity of the…
Q: A torque of 20 N.m is applied to a solid, uniform hollow sphere of radius 0.50 m. If the hollow…
A: The equation for the torque is given by, τ=Iα Here, I is the moment of inertia and α is the angular…
Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…
A:
Q: A flywheel with moment of inertia l = 10 kg. m² starting from rest acquires an angular velocity of…
A: Given Data : The moment of inertia of the flywheel is given as I = 10kg.m2. The final angular…
Q: A turntable must spin at 33.3 rev/min (3.49 rad/s) to play an old-fashioned vinyl record. How much…
A: Given value--- final angular speed = 3.49 rad/s. distance = 1.5 revolution. diameter = 30.5 cm.…
Q: A disk with moment of inertia 7.3 kg m^2 spins at 19 rad/s about its center axis. If a brake exerts…
A: Moment of inertia : I = 7.3 kg.m2 Angular velocity : ω = 19 rad/sec Force : F = 80 N…
Q: A small grinding wheel has a moment of inertia of 4.0 x 10-5 kg ⋅ m2. What net torque must be…
A: Given: Moment of inertia of the wheel = 4.0 x 10-5 Kg.m2 Angular acceleration = 150 rad/s2
Q: A cylindrical shaped object of mass 5.0 kg and radius 0.25 m is rotating at 11 rad/s. An object is…
A: Moment of inertia of a point particle with mass m at a distance r from the axis of rotation is given…
Q: The cylindrical 1.4 kg millstone with a radius of 0.2 m reaches an angular velocity of 1800 rpm / s,…
A:
Q: A merry-go-round accelerates from rest to 0.74 rad/s in 33 s. Assuming the merry-go-round is a…
A:
Q: The blades of a medium size wind turbine rotate at a maximum rate of 20.6 rev/min. The total moment…
A: The final angular speed, ωf=20.6 rev/min. The initial angular speed, ωi=0. The total moment of…
Q: A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually…
A: initial angular speed = ωangular acceleration (α) = 0.168 rads2number of revolutions (n) = 2870…
Q: What constant angular acceleration is required to reduce an object's angular velocity from 36.7…
A:
Step by step
Solved in 3 steps