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PhysicsQ&A LibraryA 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.Question

Asked Dec 18, 2019

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A spaceship at rest relative to a nearby star in interplanetary

space has a total mass of 2.50 x 10^{4} kg. Its engines fire at t = 0,

steadily burning fuel at 76.7 kg/s with an exhaust speed of

4.25 x 10^{3} 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.

Step 1

a). Formula to calculate acceleration at time zero seconds is,

Step 2

Use equation (II) in (I),

Step 3

b). Formula to calculate mass of the spa...

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