A girl riding her bike with a speed of 50m/s if the kinetic energy of the girl and the bike is 550kg what is the combined mass of the girl and the bike?
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Answer:
440 grams
Explanation:
1/2 m v² = 550
m (50)² = 1100
m = 1100/2500
m=44/100
m=0.44kg
m=440g
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