s144x14

# s144x14 -...

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Sheet1 Page 1 % % 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 Initial Time Final Time Change in Time Displacement Average Velocity sec. sec. sec. meters meters per sec.

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Unformatted text preview: -----------------------------------------------------------------------------3.0 4.0 1.0 11.0 11.0 3.5 4.0 0.5 14.3 28.5 4.0 5.0 1.0 11.0 11.0 4.0 4.5 0.5 14.3 28.5 % %-------------------A) find the instantaneous velocity at time 4:--------------------------% syms t % Displacement=diff(t^2-8*t+18,t) Displacement = 2*t-8 % t=4 t = 4 % Displacement_4=eval(Displacement) Displacement_4 = %Instant_Velocity=Displacement_4/time Sheet1 Page 2 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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s144x14 -...

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