Ariellyvz2308 Ariellyvz2308

28-01-2024
Physics

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A uniform circular disc of radius 7cm has mass 2kg. Calculate the kinetic energy of the disc (in MJ) when it makes 60 revolutions per minute about its axis.
a) 0.49MJ
b) 0.98MJ
c) 1.47MJ
d) 1.96MJ

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