A train made up of 3 cars of weight 60,000 lb each connected by coupling springs of Stiffness 15,000 lb/in. is released by a shunting engine and rolls freely along a track (Fig.). Determine the mode shapes and frequencies of vibration of the system of cars by Sweeping the rigid body mode.

(i) Solve the question by using vector iteration with shift

(ii) Repeat the problem by using Newmark Method with linear acceleration

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Determine the mode shapes and frequencies of vibration : Determine the mode shapes and frequencies of vibration of the system of cars by Sweeping the rigid body mode |

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Sequences to the ends of chromosomes : Early in development, most human cells turn off expression of an essential component of telomerase, the enzyme responsible for addition of telomere repeat sequences to the ends of chromosomes. |

An airport is planning on building a new runway : An airport is planning on building a new runway, identify three significant sustainability impacts that this would cause |

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