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1 January, 20:08

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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  1. 1 January, 20:25
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    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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