14-27. The "flying car" is a ride at an amusement parkwhich consists of a car having wheels that roll along a trackmounted inside a rotating drum. By design the car cannot falloff the track, however motion of the car is developed byapplying the car's brake, thereby gripping the car to the trackand allowing it to move with a constant speed of the track,v, = 3 m/s. If the rider applies the brake when going from Bto A and then releases it at the top of the drum, A, so that thecar coasts freely down along the track to B (0 = 7 rad),determine the speed of the car at B and the normal reactionwhich the drum exerts on the car at B. Neglect friction duringthe motion from A to B. The rider and car have a total massof 250 kg and the center of mass of the car and rider movesalong a circular path having a radius of 8 m.8 m

Answered: Image /qna-images/answer/3a69a89c-6a9f-4cbd-ad7c-266579c495de.jpg

Answered: 14-27. The "flying car" is a ride at an…

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 semicircular bar is smooth. The unstretched length of the spring is 0.250 m. The 6-N collarat A is given a downward velocity of 4 m/s, and when it reaches B the magnitude of its velocity is 12 m/s.Determine the spring constant k.
5. The 25-kg block AA is released from rest.
Dynamic Lesson The ski and the rider, with a total mass of 90 kg, are moving along the curved path in the shape. Since the equation of the curvilinear path is determined as y = 0.08x2 and the speed at x = 10 m is known as 5 m / s, the skier at this pointa) The rate of increase in speed,b) Obtain the value of the Normal force applied to ski.
14-59 The material hoist and the load have a total mass of 800 kg and the counterweight C has a mass of 150 kg. At a given instant, the hoist has an upward velocity of 2 m/s and an acceleration of 1.5 m/s2. Determine the power generated by the motor M at this instant if it operated with an efficiency of 0.8
The 4-lb collar C fits closely the smooth shaft. The spring in unstretched when s=0 and its stiffness is 6 lb/ft. AT s=0 ft, the collar is given a velocity of 19ft.s-1. The height is 0.6-ft. determine the position of the collar when its velocity is 0 ft.s-1
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
The smooth surface of the vertical cam is defined in part by the curve r =(0.2 cos θ + 0.3) m. The forked rod is rotating with an angular acceleration of 2rad/s^2, and when θ = 45° the angular velocity is 6 rad/s. Determine the force the camand the rod exert on the 2-kg roller at this instant. The attached spring has a stiffnessk = 100 N/m and an unstretched length of 0.1 m.
The mass m is attached to two equal springs which have bothunstretched length of l. The mass is released from rest at point A.When the mass reaches to point B,a. Determine the velocity of the mass at point B, in terms ofthe parameters m, k, l, h.
The smooth particle has a mass of 80 g. It is attached to an elastic cord extending from O to P and due to the slotted arm guide moves along the horizontal circular path r=(0.8sinθ)m. If the cord has a stiffness k= 24 N/m and an unstretched length of 0.25 m, determine the force of the guide on the particle when θ=60. The guide has a constant angular velocity θ˙=5rad/s
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.
14-67. The assembly consists of two blocks A and B which have a mass of 20 kg and 30 kg, respectively. Determine the speed of each block when B descends 1.5 m. TI1c blocks are released from rest. Neglect the mass of the pulleys and cords
At the instant shown, the spring is undeformed. Determine the change in potential energy if the 20 kg disk (kG = 0.5 m) rolls 2 revolutions without slipping. ½(200)(1.2 π )2 + (20) (9.81) (1.2 π sin 30°) - ½(200)(1.2 π )2 - (20) (9.81) (1.2 π sin 30°) ½(200)(1.2 π )2 - (20) (9.81) (1.2 π sin 30°) ½(200)(1.2 π )2

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