A space probe (mass 3400 kg) is flying with a speed of 580 m/s. Thrusters are fi

Question

A space probe (mass 3400 kg) is flying with a speed of 580 m/s. Thrusters are fired for a period of time, speeding up the probe, but not changing its direction. The plot shows the thrust force (in kN=1000 N) during the firing sequence. What is the final speed of the probe?

A space probe (mass 3400 kg) is flying with a speed of 580 m/s. Thrusters are fired for a period of time, speeding up the probe, but not changing its direction. The plot shows the thrust force (in kN=1000 N) during the firing sequence. What is the final speed of the probe?

Explanation / Answer

W = 0.5*70*1000*(6+13) = 0.5* 3400*(v*v - 580*580)

v = final spoeed = 580.337 m/s

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