A rocket has an initial mass of 29,000 kg, of which 20% is the payload. It burns fuel at a rate of 175 kg/s and exhausts its gas at a relative speed of 1.8 km/s. a) Find the thrust of the rocket. Solved: 315 kN b) Find the time until burnout. Solved: 132.57 s c) Find the rocket's final speed (in km/s) assuming it moves straight upward near the surface of Earth where the gravitational field g is constant. ?
A rocket has an initial mass of 29,000 kg, of which 20% is the payload. It burns fuel at a rate of 175 kg/s and exhausts its gas at a relative speed of 1.8 km/s. a) Find the thrust of the rocket. Solved: 315 kN b) Find the time until burnout. Solved: 132.57 s c) Find the rocket's final speed (in km/s) assuming it moves straight upward near the surface of Earth where the gravitational field g is constant. ?
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.60P
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A rocket has an initial mass of 29,000 kg, of which 20% is the payload. It burns fuel at a rate of 175 kg/s and exhausts its gas at a relative speed of 1.8 km/s.
a) Find the thrust of the rocket.
Solved: 315 kN
b) Find the time until burnout.
Solved: 132.57 s
c) Find the rocket's final speed (in km/s) assuming it moves straight upward near the surface of Earth where the gravitational field g is constant.
?
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