A spaceship at rest relative to a nearby star in interplanetaryspace has a total mass of 2.50 x 104 kg. Its engines fire at t = 0,steadily burning fuel at 76.7 kg/s with an exhaust speed of4.25 x 103 m/s. Calculate the spaceship’s (a) acceleration att = 0, (b) mass at t = 125 s, (c) acceleration at t = 125 s, and(d) speed at t = 125 s, relative to the same nearby star.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter10: Systems Of Particles And Conservation Of Momentum
Section: Chapter Questions
Problem 57PQ: To lift off from the Moon, a 9.50 105 kg rocket needs a thrust larger than the force of gravity. If...
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A spaceship at rest relative to a nearby star in interplanetary
space has a total mass of 2.50 x 104 kg. Its engines fire at t = 0,
steadily burning fuel at 76.7 kg/s with an exhaust speed of
4.25 x 103 m/s. Calculate the spaceship’s (a) acceleration at
t = 0, (b) mass at t = 125 s, (c) acceleration at t = 125 s, and
(d) speed at t = 125 s, relative to the same nearby star.

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