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What is the kinetic energy of a 1.40 kg discus with a speed of 22.5 m. per s?
Wiki User
∙ 11y ago
the kinetic energy of a non-rotating object of mass mtraveling at a velocity v is ½mv².
KE = 1/2*m*v*v
KE = 1/2*(1.4 kg)*(22.5 m/s)*(22.5 m/s)
KE = (0.7 kg)*(506.25 m2/s2)
KE = 354.375 kg*m2/s2
KE = 354.375 Joules
Wiki User
∙ 11y ago
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