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rusak2 [61]
3 years ago
14

In the formula used to solve problems related to the first law of thermodynamics what does Q represent?

Physics
1 answer:
KonstantinChe [14]3 years ago
4 0
The heat <span>Q(in)</span> supplied to the system in one stage of the cycle, minus the heat <span>Q(out)</span> removed from it in another stage of the cycle; plus the work added to the system <span>W(in)</span> equals the work that leaves the system <span>W(<span>out)</span></span>
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What has more kinetic energy 15 kg ball rolling north at 15 m/s or a 15 kg ball rolling backwards at 7m/s
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Answer:

15 kg ball

Explanation:

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The density of table sugar is 1.59 g/cm3. What is the volume of 7.85 g of sugar?
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The velocity of a moving body increases from 10m/s to 15 m/s in 5 sec . calculate its acceleration ​
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The Southwest Indian Ridge, shown in red, moves at an average rate of 20 mm/year, making it among the ultraslow spreading ridges
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7 0
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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
dezoksy [38]

Answer:

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Explanation:

As we know

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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

                                                       =10 K cals /min (approximately)

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

8 0
3 years ago
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