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25-10-2021
Physics

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A person on a bike (m = 90 kg) is traveling 4 m/s at the top of a 2 m hill. What is the biker's total energy?

a) 1,944 J

b) 2,484 J

c) 1,764 J

d) 720 J

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Аноним Аноним

25-10-2021

Answer:

Explanation:

Total mechanical energy is

E = mgh + ½mv²

E = m(gh + ½v²)

E = 90(9.8(2.0) + ½4²)

E = 2,484 J answer b)

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