A spaceship of mass 10 6 kg is coasting through space when suddenly it becomes necessary to
Question:
A spaceship of mass 106 kg is coasting through space when suddenly it becomes necessary to accelerate. The ship ejects 103 kg of fuel in a very short time at a speed of c/2 relative to the ship.
(a) Neglecting any change in the rest mass of the system, calculate the speed of the ship in the frame in which it was initially at rest.
(b) Calculate the speed of the ship using classical Newtonian mechanics.
(c) Use your results from (a) to estimate the change in the rest mass of the system.
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a The momentum of the ejected fuel is Conservation of m...View the full answer
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