s144x14 - Final Time Change in Time Displacement Average...

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delete s144x14.txt; diary s144x14.txt clear all; clc; close all; echo on % % Stewart 144/14 % %The displacement (in meters) of a particle moving i a strait line is %given by s=t^2-8*t+18, where t is measured in seconds. % %----A) find the average velocitys over the following time intervals:---- % Initial_t=[3, 3.5, 4, 4]; Final_t=[4, 4, 5, 4.5]; % Change_time=Final_t-Initial_t; % Displacement=(Change_time.^2)-8.*Change_time+18; % avg_vel=Displacement./Change_time; % echo off table=[Initial_t' Final_t' Change_time' Displacement' avg_vel']; fprintf('Initial Time
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Unformatted text preview: Final Time Change in Time Displacement Average Velocity\n'); fprintf(' sec. sec. sec. meters meters per sec.\n') fprintf('-----------------------------------------------------------------------------\n') fprintf('%6.1f %6.1f %6.1f %6.1f %6.1f\n',table') % echo on % %-------------------A) find the instantaneous velocity at time 4:--------------------------% syms t % Displacement=diff(t^2-8*t+18,t) % t=4 % Displacement_4=eval(Displacement) %Instant_Velocity=Displacement_4/time % echo off; diary off...
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This note was uploaded on 06/18/2009 for the course MATH 151 taught by Professor Artbelmonte during the Spring '06 term at Texas A&M.

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