The upward velocity of a rocket can be computed by the following formula: то v = u * In (- - gt то where: v = upward velocity, u = the velocity at which fuel is expelled relative to the rocket, mo = the initial mass of the rocket at time t= 0, q = the fuel consumption rate, and g= the downward acceleration of gravity (assumed constant = 9.81 m/s?). If u = 2000 m/s, mo=200200, and q = 2765 kg/s, compute the time at which v = 700 m/s. (а) Determine your result so that it is within 1% of the true value using Newton-Raphson and Secant method. All data /values shall be in 4-decimal place. You are allowed to use spreadsheet. (Hint: t is somewhere between 10 and 50 s. Use this value as initial guess)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Q5
The upward velocity of a rocket can be computed by the following formula:
то
v = u * In (-
gt
mo
where:
v = upward velocity,
u = the velocity at which fuel is expelled relative to the rocket,
mo = the initial mass of the rocket at time t = 0,
q = the fuel consumption rate, and
g= the downward acceleration of gravity (assumed constant = 9.81 m/s?).
If u = 2000 m/s, mo= 200200, and q = 2765 kg/s, compute the time at which v = 700 m/s.
(а)
Determine your result so that it is within 1% of the true value using Newton-Raphson
and Secant method. All data /values shall be in 4-decimal place. You are allowed to use
spreadsheet. (Hint: t is somewhere between 10 and 50 s. Use this value as initial guess)
Transcribed Image Text:Q5 The upward velocity of a rocket can be computed by the following formula: то v = u * In (- gt mo where: v = upward velocity, u = the velocity at which fuel is expelled relative to the rocket, mo = the initial mass of the rocket at time t = 0, q = the fuel consumption rate, and g= the downward acceleration of gravity (assumed constant = 9.81 m/s?). If u = 2000 m/s, mo= 200200, and q = 2765 kg/s, compute the time at which v = 700 m/s. (а) Determine your result so that it is within 1% of the true value using Newton-Raphson and Secant method. All data /values shall be in 4-decimal place. You are allowed to use spreadsheet. (Hint: t is somewhere between 10 and 50 s. Use this value as initial guess)
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