The small spheres, which have the masses and initial velocities shown in the figure, strike and becomeattached to the spiked ends of the rod, which is freely pivoted at O and is initially at rest. Determinethe angular velocity w of the assembly after impact. Use v = 2 m/s, a = 0.2 m, and b = 0.3 m.Neglect the mass of the rod. (w = 10.9 rad/s)3umab2m

Answered: Image /qna-images/answer/31c10bd1-3470-4358-8788-6d50aaa09a99.jpg

Answered: The small spheres, which have the…

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

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The velocity of the 7.6-kg cylinder is 0.49 m/s at a certain instant. What is its speed v after dropping an additional 1.87 m? The mass of the grooved drum is m = 10.1 kg, its centroidal radius of gyration is k = 260 mm, and the radius of its groove is r; = 225 mm. The frictional moment at O is a constant 15.3 N-m. Assume r, = 345 mm. m Answer: v = i m/s
The four balls, each of mass m = 2.3 kg, are rigidly mounted to the rotating frame and shaft, which are initially rotating freely about the vertical z-axis at the angular rate of 19.5 rad/s clockwise when viewed from above. The distances r = 0.25 m and R = 0.52 m. If a constant torque M = 23.1 N·m is applied to the shaft, calculate the time t to reverse the direction of rotation and reach an angular velocity = 19.5 rad/s in the same sense as M. m R m r M m R m
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The answer to the problem is 21.4 rad/s. Please show me how to get the final answer
quick and correct solution please.
The velocity of the 8.2-kg cylinder is 0.46 m/s at a certain instant. What is its speed v after dropping 1.28 m? The mass of the grooved drum is m 12.8 kg, its centroidal radius of gyration is k 305 mm, and the radius of its groove is r 255 mm. The frictional moment at Ois a constant 9.0 N-m. an additional V Assume ro 400 mm. т i Answer: v m/s
PLEASE URGENT
Specifically a dynamics question. Question in pic below. Hint: Answer = 9.5 m/s
The disk with radius r is rolling (without slipping) with angular velocity through the bottom of the circular path of radius R. If @= 2 rad/sec, R = 0.5 m, r = 0.2 m, and the mass of the disk is 3 kg, calculate the magnitude of the normal force exerted by the path on the disk at that instant. Present your answer in Newtons using 3 significant figures. ໙
2. The spheres have a mass of 7.50 kg each and are moving at v = 3.50 m/s at time t = 0 as shown. The shaft and frame have negligible mass. A time dependent driving moment M=4-t² is applied. Calculate the speed of the spheres at time t = 6.00 s. M 0.5 m
The slotted arm OB rotates in a horizontal plane about point O of the fixed circular cam with constant angular velocity 0 = 10rad/s. The spring has a stiffness of 6.4 kN/m and is uncompressed when 80. The smooth roller A has a mass of 0.36 kg. Determine the normal force N which the cam exerts on A and also the force R exerted on A by the sides of the slot when 8 52°. The force R is positive if contact is with the lower surface. All surfaces are smooth. Neglect the small diameter of the roller. Answers: N= R= 0.19 m 0.19 m B 278.166820949951087 N N
Determine a torque M in N.m, which is applied to the vertical shaft CD shown in the figure.The torque allows the 6 kg gear A to turn freely about CE. Assuming that gear A starts from rest. The angular velocity of CD is 18 rad/s after the gear A has turned three revolutions about the shaft CD. Neglect the mass of shaft CD and axle CE and assume that gear A can be approximated by a thin disk. Gear B is fixed.Determine the magnitude of the angular momentum of the gear A in kg m2/s.Mass moment of inertia of the gear A about Z axis in kg m2.Determine the kinetic energy of the gear A in joule (J).dermine a torque M in N.m, which is applied to the vertical shaft CD.Mass moment of inertia of the gear A about Y axis in kg m2.Mass moment of inertia of the gear A about X axis in kg m2.Determine the magnitude of the angular velocity of the gear A in rad/s.

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