*14-92. The roller coaster car has a speed of 15 ft/s when itis at the crest of a vertical parabolic track. Determine thecar's velocity and the normal force it exerts on the trackwhen it reaches point B. Neglect friction and the mass of thewheels. The total weight of the car and the passengersis 350 lb.VA = 15 ft/s200200 ft-200 ft

Given Data: The distance of point B from the origin is, xB=200 ft. The distance of point A from the…

Answered: *14-92. The roller coaster car has a…

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 3-kg collar has a velocity of 8 m/s to the right when it is at A. It then travels down along the smooth guide shown. The spring has an unstretched length of 100 mm and B is located just before the end of the curved portion of the rod. Determine the speed of the collar when it reaches point B. - 200 mm - www 200 mm k = 50 N/m
The 5 lb weigh shone has a velocity of 10 ft/s when it is 3 ft above the spring platform Cables hold the spring at a length of 1 ft.. Ignore the weight of the cables and the platform. The uncompressed length of the spring is 1.75 ft. Determine the maximum additional compression of the spring. 5 lb 10 ft/s 3 ft x, = 0.75 ft. k = 400 lb/ft
The block has a mass of 40 kg and rests on the surface of the cart having a mass of 78 kg If the spring which is attached to the cart and not the block is compressed 0.2 m and the system is released from rest, determine the speed of the block with respect to the cart after the spring becomes undeformed. Neglect the mass of the wheels and the spring in the calculation. Also neglect friction. Take k = 310 N/m
The 11-lb block has a velocity of 3.83 ft/s when the force of F = (257.6t2) lb·ft/sec2 is applied. Determine the acceleration of the block when t = 2.08 s. The coefficient of kinetic friction at the surface is μk = 0.21. Answer is in ft/sec2.
The roller coaster car has a mass of 700 kg, including its passenger. If it starts from the top of the hill A with a speed v A = 3 m/s, determine the minimum height h of the hill crest so that the car travels around the inside loops without leaving the track. Neglect friction, the mass of the wheels, and the size of the car. What is the normal reaction on the car when the car is at B1. find the Max g-force on passenger, bank angle2. the force required to slow down the motion and the time the force is applied must be determined to bring the coaster to rest.3. The maximum G-load experienced by a person should be no more than 5 g
The small body has a speed va = 4.0 m/s at point A. Neglecting friction, determine its speed at point B after it has risen 0.68 m. Is knowledge of the shape of the track necessary? 0.68 m 4.0 m/s B Answer: VB = i m/s
The collar has a mass of 28-kg and slides along the smooth rod. Two springs are attached to it and the ends of the rod as shown. S kA kB: 12 0.25 m Each spring has an uncompressed length of I1=2-m and l2=3-m and stiffnesses k1=51-N/m and k2=176-N/m respectively. Determine the velocity that must be subjected to the collar to generate a compression of 0.7 m
Determine the constant force “f” w/c must be applied to the cord in order to cause the 39lb block to have a speed of 22 ft/a when it has been displaced 0.5 ft upward starting from the rest.
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The 750-mm-long spring is compressed by the plate P, which can slide freely on the 600- mm-long vertical bars. The 55.6-kg block is given a velocity of v = 5 m/s when it is x = 2 m above the plate. Determine how far the plate travels down when the block stops momentarily after hitting it. Neglect the mass of the plate. v = 5 m/s P k = 25 kN/m- A h = 2m 600 mm
The constant 8-N force is pulling the 2-kg crate across the horizontal surface. If the coefficient of kinetic friction between the crate and the surfce is 0.3, determine the time required to increase the speed v of the crate from 3 m/s to 12 m/s. 8 N 30° 2 kg He =0.3

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