The 48-kg wheel has a radius of gyration about its centerof gravity G of KG = 250 mm. The spring AB has astiffness k = 100 N/m and an unstretched length of500 mm. The wheel is released from rest. (Figure 1)Figure200 mm1200 mm400 mm-1500 mmk = 100 N/m1 of 1Part AIf the wheel rolls without slipping, determine its angular velocity, measured clockwise, when it has rotatedclockwise 90° from the position shown.Express your answer in radians per second to three significant figures. Enter positive value if theangular velocity is clockwise and negative value if the angular velocity is counterclockwise.VE ΑΣΦ ↓↑ vecW =SubmitProvide FeedbackRequest Answerwwwww?rad/sNext >

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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f cion A force of P = 20 N is applied to the cable, which causes a 175 kg of radius of Gyration KG = 0.42m reel to turn without slipping on the 2 rollers A and B of each 18 kg and radius of 0.1m. P 30° 250 mm OG 500 mm AO OB -400 mm- Calculate the work done by the 20N for 2 revolutions. (J) Determine the angular velocity of the reel after it has rotated 2 revolutions starting from rest. (rad/s) Calculate the Kinetic energy of roller A after the reel rotated 2 revolutions starting from rest. (J) Choose... 7.952 1.88 32.2 3.14 1.98 16.34 20 3.66 62.831 Choose... Choose... Choose... 52 8:44 AM MM
1. The 20-kg flywheel has a radius of gyration kg = 0.5 m about the axis of its attached shaft (O-0). It is at rest when subjected to a torque that rises uniformly from 0 to 2 N-m over 3 revolutions, then holds at a constant 2 N-m for the remainder of the motion. What is the angular velocity of the flywheel after 10 revolutions? Give your answer in RPM.
The 10 kg wheel has a radius of gyration about its center O of ko = 300 mm. When the wheel is subjected to the couple moment, it slips as it rolls. Determine the angular acceleration of the wheel and the acceleration of the wheel's center O. The coefficient of kinetic friction between the wheel and the plane is = 0.2. (Figure 1) Figure M 100 N m < 1 of 1 0.4 m Part A Determine the angular acceleration of the wheel. Express your answer to three significant figures and include the appropriate units. α = Submit ■ Part B ao = μÅ X Incorrect; Try Again Value Submit Previous Answers Request Answer Determine the acceleration of the wheel's center O. Express your answer to three significant figures and include the appropriate units. μA Units Value X Incorrect; Try Again Units ? Previous Answers Request Answer ? Units input for part B
The spool has a mass of 105 kg and a radius of gyration of kg = 200 mm about its center of mass G. Assume the spool rolls without slipping. If a vertical force of P = 215 N is applied to the cable, determine the acceleration of G. (Figure 1) Express your answer with the appropriate units. HẢ ? Value m/s aG = Determine the angular acceleration of the spool. Express your answer with the appropriate units. HA Value rad /s? 300 mm a = G 150 mm
2. A constant 9-lb force is applied to the 80-lb stepped cylinder as shown. The radius of gyration about the center of the circle is kg = 8 in. It rolls on the incline without slipping. If the cylinder is at rest when the force is first applied, find the angular velocity after 8 seconds. Q Search DELL F9 10" F10 6" F11 F12 10° ESP 9 lb 4x PrtScr
The 24-kg wheel has a radius of gyration about its center O of ko = 260 mm, and radius r= 0.4 m. When the wheel is subjected to the couple moment M = 90 N•m, it slips as it rolls. Determine the linear acceleration of the wheel's center O (in m/s?). The coefficient of kinetic friction between the wheel and the plane is Uk = 0.45. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. Take g = 9.81 m/s?. M
1) The shown spool has a mass of 100 kg and radius of gyration of 0.3 m. For P = 70 N and µ, =H = 0.2 the spool rolls without sliding, calculate the angular acceleration of the spool 250 mm 400 mm
1. The mass of gear A is 20 kg and its centroidal radius of gyration is 150 mm. The mass of gear B is 10 kg and its centroidal radius of gyration is 100 mm. Calculate the angular acceleration of gar B when a torque of M N-m is applied to the shaft of gear A. Neglect friction. A M ΤΑ TA = 240 mm TB = 180 mm TB B M = 64 Nm
The center of the 173-lb wheel with centroidal radius of gyration of 5.6 in. has a velocity of 3.4 ft/sec down the incline in the position shown. Calculate the normal reaction N under the wheel as it rolls past position A. Assume that no slipping occurs. 36° 24" 17" Aj Answer: N = i Ib
The slender 8-kg bar AB is horizontal and at rest. The spring has an unstretched length sọ of 1 m and a spring constant of 15 N/m. the length of the bar AB is l1.Sm Find the angular velocity when e - 45° when the bar has rotate clockwise - 45° after being released. Give your answer with 2 decimals and include the sign
The mass of gear A is 25 kg and its centroidal radius of gyration is 105 mm. The mass of gear B is 13 kg and its centroidal radius of gyration is 85 mm. Calculate the angular acceleration of gear B when a torque of 16 N-m is applied to the shaft of gear A. Neglect friction. The angular acceleration is positive if counterclockwise, negative if clockwise. TA = 165 mm TB = 125 mm
The circular disk of 145-mm radius has a mass of 38 kg with centroidal radius of gyration k bar = 25 mm and has a concentric circular groove of 55-mm radius cut into it. A steady force Tis applied at an angle theta to a cord wrapped around the groove as shown. If T = 40 N, theta = 0, mu_s = 0.11, and mu_k = 0.09, determine the angular acceleration a of the

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