P V:•A docs.google.comAsiacell ll.امتحان فصلي. . . نظرية مكان . الاجابة على جميعQ1: A wheel accelerates uniformly from rest to 2000 r.p.m. in 20 seconds. Whatis its angular acceleration? How many revolutions does the wheel make inattaining the speed of 2000 r.p.m.?Q2: Figure (1), A link AB of a four-bar linkage ABCD revolves uniformly at 120r.p.m. in a clockwise direction. Find the angular acceleration of links BC and CDand acceleration of point E in link BC? Given: AB= 7.5 cm, BC = 17.5 cm, EC =5 cm, CD = 15 cm, DA = 10 cm and the angle BAD = 90°.5 cm17.5 cm-Va15 cm7.5 cm90°10 cmFigure (1)Q3: Find the number of degree of freedom (n) for figure (2)?Link 3Link 4Link 5Link 2Link 1Figure (2)ف إضافة ملف

as per our guideline, I am giving the answer to 1st question. if you want to know the answer to…

Answered: Q1: A wheel accelerates uniformly from…

Q1: A wheel accelerates uniformly from rest to 2000 r.p.m. in 20 seconds. What is its angular acceleration? How many revolutions does the wheel make in attaining the speed of 2000 r.p.m.?

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 grinding wheel which accelerates at uniform velocity is observed to have made 90revolutions and its speed ranges from 190 rpm to 280 rpm. Determine (i) the value of acceleration (i) Time taken to increase the velocity from 190 rpm to 280 rpm.(ii)Revolution made in reaching a speed of 280rpm starting from the rest. Angular acceleration a = rad/sec2 Time taken t = sec Total angular displacement = rad. Total Revolution= грm.
Marge pulls Vinnie on a sled along a friction free surface. The combined mass of Vinnie plus sled is 18.5kg producing an acceleration of 0.6m/s^2. The rope on the sled makes a 35 degree angle with the ground below. a. How much work does Marge do while pulling the sled for 20m? b. How far could Marge pull the sled to expend 4001
1. Determine if the following statements are true or false. If the statement is true, justify your reasoning. If the statement is false, correct the statement to make it true. a. For one-dimensional motion, deceleration always occurs in the negative direction. b. If a ball is tossed into the air, the acceleration at the top of its path is zero. c. The slope of a velocity vs. time graph represents the position of a particle. d. The tangential velocity of a particle can never be negative. e. In relative motion, n =-Ün/A
1.5 m WAB = 4 rad/s 0.5 m 3) For the system given, the bar AB has an angular velocity of waB = 4 rad/s. By use of vector notation, determine the velocity of mass C, and 0 = 30° the angular velocity of bar BC when 0 = 30°.
16. A 150-ft-diameter Ferris wheel completes one revolution in 45 seconds. (a) How far does a chair on the Ferris wheel travel in one revolution? (b) What is the linear speed of the chair in ft/s? (c) What is the angular Speed of the chair in rad/s? SECTION 3.1 RATE IN MECHANICAL SYSTEMS 137
A disk is at rest and then is set in motion with a constant angular acceleration 25 rad/s2. What is the angular velocity in rad/s after one complete turn?
4. 4) The hydraulic cylinder D extends, moves the rigid rod ABC, and causes the collar A to move with velocity and acceleration both to the left. If the dimensions 1 = 1.1 ft, and 2 = 2.3 ft, VA = 4.7 ft/s, aa = 2.7 ft/s², and the angle 0 = 25°, determine the angular acceleration (in rad/s2) of rod ABC. Negative sign must be included if the angular acceleration is clockwise. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. %3D 12 D а Your Answer: Answer
A wheel of radius r rolls without slipping on a horizontal surface shown below. If the velocity of point P is 10 m/s in the horizontal direction, the magnitude of velocity of point Q (in m/s) is
A uniform rod (mass = 1.8 kg) is 1.5 m long. The rod is pivoted about a horizontal, frictionless pin through one end. The rod is released from rest in a horizontal position. What is the angular speed of the rod (in rad/s) when the rod makes an angle of 23° with the horizontal?. The moment of inertia of the rod about this axis is given by (1/3)ML2.
A wheel executes 137 radians.to coast to rest from a speed of 142 rad/s. Assuming constant deceleration, find the time required for the wheel to come to rest. Answer:
A pulley and two loads are connected by inextensible cords as shown in Figure 1. Load A has constant acceleration of 2.5m/s2 and an inital velocity of 2 m/s2, both directed upwards. Determine: a) the number of revolutions executed by the pulley in 3s. b) the velocity of load B after 3s. c) if the velocity of load B should be half of the velocity of load A, suggest the new diameter of the inner and outer pulley.
a) A flywheel with a diameter of 356 mm accelerates uniformly from rest at a rate of 2.5 rad/s² for a period of 1.8 minute. It then continues at the maximum speed attained for a further period of 4.5 minutes, after which it decelerates uniformly to rest over a final period of 2.8 minutes. Calculate for the flywheel: (a) The maximum angular velocity attained in rad/s and also in rev/min. (b) The rate of deceleration during the final period of the motion. (c) The angle, given in radians, turned through by the flywheel during its period of acceleration.