A rocket is launched vertically from rest with a constantupward acceleration of

Question

A rocket is launched vertically from rest with a constantupward acceleration of 1.59 Suddenly 29.8 after launch, an unneeded fuel tank is jettisonedby shooting it away from the rocket. A crew member riding in therocket measures that the initial speed of the tank is 29.4 and that it moves perpendicular to the rocket'spath. The fuel tank feels no appreciable air resistance and feelsonly the force of gravity once it leaves the rocket. How fast is the rocket moving at the instant the fuel tank isjettisoned?

Explanation / Answer

Apply vf = vo + at

vf = (0) + (1.59)(29.8)

vf = 47.4 m/s

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