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Shawn and his bike have a total mass of 47.6 kg. shawn rides his bike 2.1 km in 14.2 min at a constant velocity. the acceleration of gravity is 9.8 m/s 2 . what is shawn's kinetic energy? answer in units of j.

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W0lf93
Answer: m=47.6kg (Shawn+Bike total mass) t=14.2min-->842sec d=2.1km-->2,100m K=1/2mv^2. K=1/2(47.6)*(2.5)^2 K= 148.75 J

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