The flywheel of a steam engine whose moment of inertia is 72 kg m2 is given an angular speed of 150 rpm in 90 rev, starting from rest. Determine the torque, assuming it to be constant, which acted on the flywheel
Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…
A:
Q: Two wheels of moment of inertia 2.0 kg m and 1.0 kg.m are set in rotation with angular speed 6.4…
A:
Q: A combination of an applied force and a frictional force produce a constant total torque of 32 N-m…
A: Torque τ=IαI=τα=τωf-ωit
Q: A flywheel turns through 38 rev as it slows from an angular speed of 3.0 rad/s to a stop. (a)…
A: Initial angular velocity ( ωo ) = 3.0 rad/s Final angular velocity ( ω ) =0.0 rad/s Total angular…
Q: A nonrotating cylindrical disk of moment of inertia, I, is dropped onto an identical disk rotating…
A: Given data The moment of inertia of the cylindrical disk is I. The angular speed of the disk is…
Q: A merry-go-round starts from rest and accelerates uniformly over 26.0 s to a final angular velocity…
A: a) The maximum linear speed is,
Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…
A:
Q: A discus thrower (as shown) accelerates a discus from rest to a speed of 25.0 m/s by whirling it…
A:
Q: The flywheel of an engine is rotating at 25.0 rad/s.When the engine is turned off, the flywheel…
A: Given Initial angular velocity ωo = 25.0 rad/s Final angular velocity ω = 0 rad/s Duration t = 20.0…
Q: A wheel starts from rest and reaches a rotational speed of 100 rev/min within 30 rev. Assuming a…
A: Angular acceleration is defined as the rate of change of angular velocity and is given by α = ΔωΔt…
Q: A wheel 25.0 cm in radius turning at 120 rpm increases its frequency to 660 rpm in 9.00 s. Find (a)…
A:
Q: A wheel is reaching to an angular velocity of 20 rad/s in 10 seconds from rest. Find its angular…
A: Angular velocity of wheel is 20 rad/s Time taken by wheel is 10 s
Q: Calculate the torque necessary to produce an angular acceleration of 25 rad /(s^ 2) in a flywheel of…
A: We need to compute-Torque (τ)=?The data given as-Angular acceleration (α)=25 rad/s2Mass of flywheel…
Q: The wheel on a grinder is a homogeneous 1 kg disk with a 10 cm radius, It coasts uniformly from 1200…
A: Given, Mass of the disk M = 1 kg Radius of disk R = 10 cm = 0.10 m Angular speed = 1200 rpm = 125.66…
Q: What is the magnitude of the tangential acceleration of a bug on the rim of an 11.5-in.-diameter…
A:
Q: A potter's wheel moves uniformly from rest to an angular velocity of 1.00 rev/s in 30.0 s. (a) Find…
A: (a)A potter’s wheel moves uniformly from rest to angular speed w=1.00 rev/s
Q: In a recent test of its braking system, a Volkswagen Passat traveling at 23.7 m/s came to a full…
A: (a) (given) Initial speed of the car (vi ) = 23.7 m/s Negative acceleration (a) = -2.10 m/s Final…
Q: The angular position of a point on a rotating wheel is given by 8-2.01 +4.19t² +2.40t³, where 0 is…
A: θ= 2.01+ 4.91 t² + 2.40 t³ Angular position: θ Angular velocity: ω Angular acceleration:α
Q: The angular speed of an automobile engine is increased from 1200 rev/min to 3000 rev/min in 12 s.…
A: Initial angular speed: ωi = 1200 rev/min = 120060 = 20 rev/s Final angular speed: ωf = 3000 rev/min…
Q: A bicyclist starting at rest produces a constant angular acceleration of 1.40 rad/s? for wheels that…
A:
Q: Large freight trains accelerate very slowly. Suppose one such train accelerates from rest, giving…
A: (a) The relationship between distance and rotation angle is given by, θ=xr Solving this equation for…
Q: (a) Estimate Earth’s rotational inertia, assuming it to be a uniform solid sphere? (b) What torque…
A: Given, Earth to be uniform sphere
Q: A centrifuge rotor is accelerated for 25. s from 5000 rpm to 12000 rpm (revolutions per minute).…
A: Angular acceleration is rate of change of angular velocity with respect to time. α=∆ω∆t Number of…
Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…
A: Given: Initial angular speed, wi = 4.10 rev/s Final angular speed, wf = 17 rev/s…
Q: A wheel released from rest is rotating with constant angular acceleration of 2.3 rad/s?. (e) After…
A: Analysing the question, it has been given that the constant angular accelaration of the wheel, α =…
Q: 3.0-kg grindstone in the shape of a uniform cylinder of radius 61 cm acquires a rotational rate of…
A: Given:- The mass of the grindstone is M = 3.0 kg. The shape of a uniform cylinder of radius R = 61…
Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…
A:
Q: e linear acceleration of a car, the 0.310-m radius tires of which have an angular acceleration of…
A:
Q: A flywheel in the form of a uniformly thick disk of radius 1.28 m has a mass of 95.6 kg and spins…
A:
Q: A child exerts a tangential 53.4-N force on the rim of a diskshaped merry-go-round with a radius of…
A: The expression for torque is,
Q: The angular position of a point on a rotating wheel is given by 0-4.55 3941+ 156, where Ois in…
A:
Q: A phonograph record rotates at 33.33 rpm. Find its angular velocity in rad/s and the speed of a…
A: The record’s given angular velocity can be represented in rad/s as,
Q: A flywheel of mass 10kg has a radius of gyration of 20cm.It is given a spin of 1000 r,p.m. about its…
A: Given: m=10kg, k=0.2m, R=1000rpm, L=0.15m
Q: The rotor of a gas turbine is rotating at a speed of 6900 rpm when the turbine is shut down. It is…
A: (a) angular acceleration is, α=ωtα=6900 rpm0.1047 rad/s1 rpm4 min60 s1 minα=3.01 rad/s2
Q: A wheel with a radius 0.51 rolls across the level ground, initially moving forward with a speed of…
A: Given: The radius of the wheel is 0.51. The initial speed of the wheel is 15.4 ms. The final speed…
Q: Large freight trains accelerate very slowly. Suppose one such train accelerates from rest, giving…
A: Given information: Here, r is the wheel’s radius, and α is the wheel’s angular acceleration.
Q: A merry-go-round starts from rest and accelerates uniformly over 19.5 s to a final angular velocity…
A: Linear velocity = -------------(1)v = linear velocityr = radius = angular velocityTo calculate…
Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…
A: Write the expression for angular acceleration using rotational kinematics
Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…
A: Consider the given data as below. Initial angular speed, ωo=11.0 revs Final angular speed, ω=19.0…
Q: Find the moment of inertia of the wheel
A:
Q: In the figure, point P is on the rim of a wheel of radius 5.0 m. At time t= 0, the wheel is at rest,…
A: Calculate the tangential acceleration of the point P. at = Angular acceleration (α)*radius (r) =…
The flywheel of a steam engine whose moment of inertia is 72 kg m2 is given an angular speed of 150 rpm in 90 rev, starting from rest. Determine the torque, assuming it to be constant, which acted on the flywheel
Step by step
Solved in 2 steps
