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20-02-2024
Physics

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A horizontal 694 N merry-go-round of radius 1.96 m is started from rest by a constant horizontal force of 61.5 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 3.89 s.
a) 860 J
b) 920 J
c) 980 J
d) 1040 J

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