*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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If the contact surface between the 20-kg block and the ground is smooth, determine the velocity of the block when t = 4 s. Initially, the block is at rest.
If the jets exert a vertical thrust of T = (500t3/2)N, where t is in seconds, determine the man's speed when t = 3 s. The total mass of the man and the jet suit is 100 kg. Neglect the loss of mass due to the fuel consumed during the lift which begins from rest on the ground.
The jet is traveling at a speed of 500 mi/h, 30degrees with the horizontal If the fuel is being spent at 4 lb/s , and the engine takes in air at 410 lb/s , whereas the exhaust gas (air and fuel) has a relative speed of 32700 ft/s , determine the acceleration of the plane at this instant. The drag resistance of the air is FD=(0.7v2)lb, where the speed is measured in ft/s. The jet has a weight of 15000 lb
Prob. 14-1 14-2. For protection, the barrel barrier is placed in front of the bridge pier. If the relation between the force and deflection of the barrier is F= (90(10%)x/2) Ib, where x is in ft, determine the car’s maximum penetration in the barrier. The car has a weight of 4000 Ib and it is traveling with a speed of 75 ft/s just before it hits the barrier. F(Ib)
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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 Bfind the Max g-force on passenger, bank anglethe force required to slow down the motion and the time the force is applied must be determined to bring the coaster to rest.The maximum G-load experienced by a person should be no more than 5 g and fint the bank angle
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Determine the magnitude of the resultant force acting on a 5-kg particle at the instant t = 2 s, if the particle is moving along a horizontal path defined by the equations r = (2t + 10) m and theta = (1.5t^2 - 6t) rad, where t is in seconds.
The crate, which has a mass of 160 kg, is subjected to the action of the two forces. If it is originally at rest, determine the distance it slides in order to attain a speed of 7 m/s. The coefficient of kinetic friction between the crate and the surface is μk = 0.2.

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