A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 84.7 × 105 kg, of which 6.79 × 105 kg is fuel. The rocket engine is then fired for 380 s, during which fuel is consumed at the rate of 380 kg/s. The speed of the exhaus products relative to the rocket is 3.26 km/s. (a) What is the rocket's thrust? After the 380 s firing, what are (b) the mass and (c) the speed of the rocket? (a) Number i Units (b) Number i Units (c) Number i Units
A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 84.7 × 105 kg, of which 6.79 × 105 kg is fuel. The rocket engine is then fired for 380 s, during which fuel is consumed at the rate of 380 kg/s. The speed of the exhaus products relative to the rocket is 3.26 km/s. (a) What is the rocket's thrust? After the 380 s firing, what are (b) the mass and (c) the speed of the rocket? (a) Number i Units (b) Number i Units (c) Number i Units
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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