A mass that weighs 8 lb stretches a spring 24 inches. The system isacted on by an external force of 4 sin(4t) lb. If the mass is pulleddown 6 inches and then released, determine the position of the massat any time t. Assume that the u-axis is directed downwards andft=g 32 Express your answer as a linear combination of sin(at)$²and cos(at), where u is in feet and t is in seconds.u(t)=Determine the first four times at which the velocity of the mass iszero. Exclude t = 0 as trivial, and enter exact answers.First zero: t =Third zero: t=Second zero: t=Fourth zero: t =

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A mass that weighs 8 lb stretches a spring 24 inches. The system is acted on by an external force of 4 sin(4t) lb. If the mass is pulled down 6 inches and then released, determine the position of the mass at any time t. Assume that the u-axis is directed downwards and Express your answer as a linear combination of sin(at) ft 9 = 32 $² and cos(at), where u is in feet and t is in seconds. u(t): = Determine the first four times at which the velocity of the mass is zero. Exclude t = = 0 as trivial, and enter exact answers. First zero: t = Third zero: t = Second zero: t = Fourth zero: t =

A mass that weighs 8 lb stretches a spring 24 inches. The system is acted on by an external force of 4 sin(4t) lb. If the mass is pulled down 6 inches and then released, determine the position of the mass at any time t. Assume that the u-axis is directed downwards and Express your answer as a linear combination of sin(at) ft 9 = 32 $² and cos(at), where u is in feet and t is in seconds. u(t): = Determine the first four times at which the velocity of the mass is zero. Exclude t = = 0 as trivial, and enter exact answers. First zero: t = Third zero: t = Second zero: t = Fourth zero: t =

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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