*15-96. Determine the angular momentum H, of each ofthe two particles about point O.4 m5m1.5 mAB4 m.4 kg Alim8 m/s30°6 m/s2 m3 kg o

The position vector at point A is rOA=(-1.5i-2j)m Particle A's velocity component…

Answered: *15-96. Determine the angular momentum…

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 2-kg sphere moves in the x-y plane and has the indicated velocity at a particular instant. Determine its (a) linear momentum, (b) angular momentum about point O, and (c) kinetic energy.
The particle of mass m = 2.1 kg is attached to the light rigid rod of length L = 0.91 m, and the assembly rotates about a horizontal axis through O with a constant angular velocity θ˙θ˙ = ω = 2.9 rad/s. Determine the force T in the rod when θ = 28°. The force T is positive if in tension, negative if in compression. Determine the force T in the rod when θ = 28°. The force T is positive if in tension, negative if in compression.
19-35 The 10 kg bullet having of 800 m/s is fired into the edge of the 5 kg disk as shown. Determine the angular velocity of the disk just after the bullet becomes embedded into its edge. Also, calculate the angle the disk will swing when it stops. The disk is originally at rest. Neglect the mass of the rod AB.
The disk, which has a mass of 40 kg, is subjected to the couple moment of M = (2θ + 6) N m, where θ is in radians. If it starts from rest, determine its angular velocity when it has made two and a half revolutions.
The 5 kg mass at point A is at rest on the spring with k = 300 N/m when t=0s. At this instant, 150 N force is applied to the cable. What is the velocity of mass when it has risen 0.3 m?
17-74 The two blocks A and B have a mass Ma and Mb, respectively, where Ma > Mb. If the pulley can be treated as a disk of mass M, determine the acceleration of block A. Neglect the mass of the cord and any slipping on the pulley.
The particle of mass m = 2.4 kg is attached to the light rigid rod of length L = 0.77 m, and the assembly rotates about a horizontal axis through O with a constant angular velocity θ˙θ˙ = ω = 3.5 rad/s. Determine the force T in the rod when θ = 29°. The force T is positive if in tension, negative if in compression.
Conservation of Angular Momentum The projectile having a mass of m=3 kg is fired from a cannon with a muzzle velocity of vo=500 m/s. Determine the projectile's angular momentum about point O at the instant it is at the maximum height of its trajectory
5. The 25-kg block AA is released from rest.
The 5-kg collar has a velocity of 7 m/s to the right when it is at A. It then travels along the smooth guide. Determine its speed when its center reaches point B. The spring has an unstretched length of 150 mm and B is located just before the end of the curved portion of the rod
19-26 The double pulley consists of two wheels which are attached to one another and turn at the same rate. The pulley has a mass of 15 kg and a radius of gyration of = 110 mm. if the block at A has a mass of 40 kg and the container at B has a mass of 85 kg, including its contents, determine the speed of the container when t = 3s after it is released from rest.
15-78. Two smooth disks A and B each have a mass of 0.5 kg. If both disks are moving with the velocities shown when they collide. determine the coefficient of restitution between the disks if after collision B travels along a line, 30° counterclockwise from the y axis.

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*15-96. Determine the angular momentum H, of each of the two particles about point O. 4 m 5m 1.5 m AB 4 m. 4 kg Alim 8 m/s 30° 6 m/s 2 m 3 kg o