What is the resulting angular speed of the platform

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you stand on a frictionless platform tha tis rotating with anangular speed of 1.5 rev/s. your arms are outstretched, andyou hold a heavy wight in each hand. the moment of inertia ofyou , the extened wights, and the ltform is 6 kg m^2. when you pullthe wights in toward your body the monent of inertia decreases to1.8 kg m^2

A) what is the resulting angular speed of the platform?

B) what is the chang in kinetic energy of the system?

C) where did this increase in energy come from?

Reference no: EM13561161

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