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enyata [817]
2 years ago
10

A Lamborghini Aventador engine reaches its top speed from rest in 3 seconds. The engine performs 1,545,000 Joules of work in tha

t time. How much power does the engine have in that time?
Physics
1 answer:
nikitadnepr [17]2 years ago
5 0

Answer:

W = 1.545E6 J   total work

P = W / t = 1.545E6 J / 3 sec = 5.15E5 J/sec = 515,000 J/sec  (Watts)

Using definition of power

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Jazz is a 172 lb athlete who exercised at 7.6 METs. At this workload, what is his energy expenditure in kcals/min.? Round to the
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Answer:

Energy expenditure in K cals/min = 10 K cals /min (approximately)

Explanation:

As we know

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Given is METs=7.6

Weight of Jazz= 172lb=78.02kg

putting the values in formula,

Energy expenditure in K cals/min=  7.6 x 3.5 x 78.02 / 200

                                                       =10.38 K cals /min

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Therefore, Energy expenditure in K cals/min by Jazz will be approximately 10 K cals /min

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Explain how surface and subsurface events are integral parts of the rock cycle.
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