# A typical person begins to lose consciousness if subjected to accelerations greater than about 5g (49.0 m/s2) for more than a few seconds. Suppose a 3.00 x 10^4-kg manned spaceship’s engine has an exhaust speed of 2.50 x 10^3 m/s.What maximum burn rate |ΔM/Δt| could the engine reach before the ship’s acceleration exceeded 5g and its human occupants began to lose consciousness?

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A typical person begins to lose consciousness if subjected to accelerations greater than about 5g (49.0 m/s2) for more than a few seconds. Suppose a 3.00 x 10^4-kg manned spaceship’s engine has an exhaust speed of 2.50 x 10^3 m/s.

What maximum burn rate |ΔM/Δt| could the engine reach before the ship’s acceleration exceeded 5g and its human occupants began to lose consciousness?

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Step 1

Calculate the instantaneous trust acting on the spaceships engine:

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