A satellite is deployed with angular velocity w = 1 rad/s (Fig. a). Two internal

Question

A satellite is deployed with angular velocity w = 1 rad/s (Fig. a). Two internally stored antennae that span the diameter of the satellite are then extended, and the satellite's angular velocity changes to w' (Fig. b). Modeling the satellite as a 500-kg sphere of 1.2-m radius and each antenna as a 10-kg slender bar, (a) determine w'; and (b) calculate the energy of system consisting of the satellite and antennae before and after extension. Is energy conserved? Why or why not? I have w'=.721 rad/s. How do I calculate the energy of the system? ive done the first part need the second portion thanks

Explanation / Answer

yes energy conserved

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