Consider the disk and axle shown below. The axle has a constant angular velocity (in rad/s) in the inertial frame given by: WA/N = 0.152 i . The disk has an angular velocity (in rad/s) in the axle frame given by: wp/A 0.504 k .Calculate the magnitude of angular acceleration of the disk in the inertial frame (in rad/s?). N D

Consider the disk and axle shown below. The axle has a constant angular velocity (in rad/s) in the inertial frame given by: WA/N = 0.152 i . The disk has an angular velocity (in rad/s) in the axle frame given by: wp/A 0.504 k .Calculate the magnitude of angular acceleration of the disk in the inertial frame (in rad/s?). N D

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A wheel with rotational inertia 45 kg.m2 is mounted on a fixed, frictionless axle. The angular speed of the wheel is increased from zero to 44 rad/s in 13-s. What is the AVERAGE power input to the wheel during this time interval?
A flywheel is fitted to a multi cylinder engine, which runs at a mean speed of 360 r.p.m. If the speed varies from 6 % above the mean to 2 % below it and the fluctuation energy is 1200 kN-cm, If the radius of gyration is 20 cm, find (i) mass moment of inertia of the wheel and (ii) mass of flywheel. The mass moment of Inertia in Kgm2 is Mass of the flywheel in kg is
A flywheel weighing 4480 lbs has a radius of gyration of 3 ft. If there is a driving torque of 600 lb-ft, and a resisting torque of 250 lb-ft, find the time required to increase its speed from 20 to 80 rpm. The correct answer is 22.5 seconds.
A wheel with rotational inertia 48 kg.m2 is mounted on a fixed, frictionless axle. The angular speed of the wheel is increased from zero to 59 rad/s in 12-s. What is the average net torque/Moment in N.m on the wheel during this time interval?
A flywheel absorbs 2500 ft-lb of energy at a coefficient of fluctuation of 0.10. The mean diameter of the flywheel is 72 inches. The weight of the arms and hub is 12 % of the rim weight. The mean rim speed is 80 fps. Consider the specific weight of the flywheel as γ = 0.26 lb/in3. A. Find the mean rpm of the rim. B. Determine the weight of the rim. C. What is the cross sectional area of the rim?
A drum can rotate about a fixed-point O. The A block is attached to a cord wrapping around the drum. The mass of the drum is md = 100kg and the radius is r = 0.5 m. The radius of gyration of the drum about point O is ko=0.3 m. The mass of the block is mb= 20kg. The block is released from rest. The acceleration due to gravity is g=9.81 m/s2. (1) Calculate the mass moment of inertia of the drum about the point O, IO_______(kgm2) (two decimal places)
A horizontal cross compound steam engine develops 500 kW at 100 rpm. The coefficient of fluctuation of energy as found from the turning moment diagram is to be 0.1 and the fluctuation of speed is to be kept within ± 0.5% of the mean speed. Find the mass of the flywheel required, if the radius of gyration is 3 meters.
The equation of the turning moment diagram for the three crank engine is given by:where θ radians is the crank angle from inner dead cen?tre. The moment of inertia of the flywheel is 400 kg-m2 and the mean engine speed is 300 r.p.m. Calculate the power of the engine and the total percentage fluctuation of speed of the flywheel, if 1. The resisting torque is constant, and 2. The resisting torque is (25 000 + 3600 sin θ ) N-m.
A vehicle weighs 1.6tons and for each wheel the diameter is 5.7m and the Mass moment of inertia is 4.7kg.m2. The coefficient of friction between the wheels and the road surface is 0.28. Calculate the deceleration of the vehicle if all of the wheels are locked after the brakes are suddenly applied. Given g=9.81m/s 2 (give answer as positive value)
an engine with a mass of 500 kg is dropped onto the end of a weightless cantilever bridge with a velocity of 0.6 m/s. The impact causes vibrations of the combined engine/ cantilever bridge system, with the engine stuck onto the bridge. The bridge is made of steel with a modulus of elasticity of 200 x109 N/m2, length 3 m and moment of inertia 2 x10-6 m4. Neglect the inertia of the bridge and calculate the response of the combined engine/cantilever beam
22-A flywheel of mass 0.7 ton is fitted to a multi cylinder engine, which runs at a mean speed of 400 r.p.m. If the speed varies from 7 % above the mean to 3 % below it and the fluctuation energy is 2100 kN-cm, find (i) mass moment of inertia of the wheel and (ii) radius of Gyration. Solution: The mass moment of Inertia in Kgm2 is Radius of Gyration in m is
The diagram shows a torque angle diagram for a certain machine. The speed of the shaft must be maintained between 490 and 510 RPm. determine 1) greatest fluctuation in energy 2) moment of inertia of the suitable flywheel 3) the mass required if the radius of gyration is 0.3m