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Rockets can be spin-stabilized; that is, they can fly straighter through space if they rotate around...

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Physics

Rockets can be spin-stabilized; that is, they can fly straighterthrough space if they rotate around their long axis. Generally, 1rotation per second is a good angular speed forspin-stabilization.

a. Assume the rocket acts like a solid cylinder. The rocket hasa mass of 30000 kg (almost all of it fuel) and a radius of 1.00 m.Calculate the angular momentum of the rocket as it spins. Payattention to units.

b. A problem arises because fuels for larger rockets are liquid.Due to the centripetal effect, the fuel is pushed to the outer skinof the rocket. So now the rocket acts more like a thin-walledhollow cylinder with a mass of 30000 kg and a radius of 1.00 m.Calculate the new angular velocity of this rocket, assuming that itis the same rocket as in part a. Describe what happened to therocket’s spin.

Answer & Explanation Solved by verified expert
4.1 Ratings (550 Votes)
aMoment of inertia of solid cylinder about its longitudinalaxis is given by mr22 where m is mass of the cylinderand r is its radiusMass of rocket m30000 kg radius of rocket r1 mSomoment of inertia of    See Answer
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