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14x10 14x10 - 2100f 1. The velocity of a rocket is given by v(t) = 2000 ln -9.8t,0

14x10 14x10 - 2100f 1. The velocity of a rocket is given by v(t) = 2000 ln -9.8t,0

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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14x10 1. The velocity of a rocket is given by v(t) = 2000 ln -9.8t,0<t<30 where 14x10* - 2100r v is given in m/s and t is given in seconds. At t=16 s and using At= 2 s, a. Use forward difference, backward approximations of the first derivative of v(t) to determine the acceleration of the difference and central difference rocket. b. If the true value of the acceleration at t=16 s is 29.674 m/s², calculate the absolute relative true error for each approximation obtained. What can you conclude from these values of the relative errors?
Transcribed Image Text:14x10 1. The velocity of a rocket is given by v(t) = 2000 ln -9.8t,0<t<30 where 14x10* - 2100r v is given in m/s and t is given in seconds. At t=16 s and using At= 2 s, a. Use forward difference, backward approximations of the first derivative of v(t) to determine the acceleration of the difference and central difference rocket. b. If the true value of the acceleration at t=16 s is 29.674 m/s², calculate the absolute relative true error for each approximation obtained. What can you conclude from these values of the relative errors?
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