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Evgesh-ka [11]
2 years ago
12

Can you write the answer for lot of points ​

Chemistry
2 answers:
ruslelena [56]2 years ago
4 0

\large\orange{\sf{Given:}}

<h3>Work (W)=2400 Joules</h3><h3>Distance(D)=6 metres</h3>

\large\blue{\sf{To\:find:}}

<h3>Force=?</h3>

\large\red{\sf{Solution:}}

  • The formula we are using to solve is:

\begin{gathered}\\ \sf\longmapsto Work=Force×Distance\end{gathered}

\begin{gathered}\\ \sf\longmapsto 2400=Force×6\end{gathered}

\begin{gathered}\\ \sf\longmapsto Force=\frac{2400}{6}\end{gathered}

\begin{gathered}\\ \sf\longmapsto Force=\cancel{\dfrac{2400}{6}}\end{gathered}

\begin{gathered}\\ \sf\longmapsto Force=400N\end{gathered}

Ostrovityanka [42]2 years ago
4 0
  • Work=2400J
  • Displacement=6m

\\ \sf\longmapsto Work=Force\times Displacement

\\ \sf\longmapsto Force=\dfrac{Work}{Displacement}

\\ \sf\longmapsto Force=\dfrac{2400}{6}

\\ \sf\longmapsto Force=400N

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amid [387]

Answer:

(a) The proportion of dry air bypassing the unit is 14.3%.

(b) The mass of water removed is 1.2 kg per 100 kg of dry air.

Explanation:

We can express the proportion of air that goes trough the air conditioning unit as p_{d} and the proportion of air that is by-passed as p_{bp}, being p_{d}+p_{bp}=1.

The amount of water that goes into the drier inlet has to be 0.004 kg/kg, and can be expressed as:

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0.004 = 0.016*(1-p_{d})+ 0.002*p_{d}=0.016-0.016*p_{d}+0.002*p_{d}\\0.004 - 0.016 = (-0.016+0.002)*p_{d}\\-0.012 = -0.014*p_{d}\\p_{d}=\frac{-0.012}{-0.014}=0.857\\\\p_{bp}=1-p_{d}=1-0.857=0.143

(b) Of every kg of dry air feed, 85.7% goes in to the air conditioning unit.

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The water removed of every 100 kg of dry air is

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It can also be calculated as the difference in humiditiy between the inlet and the outlet: (0.016-0.004=0.012 kgW/kDA) and multypling by the total amount of feed (100 kgDA).

100 * 0.012 = 1.2 kgW

7 0
3 years ago
3)
Vikentia [17]

Answer:

A

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I think it is A because a dinosaurs are extinct so it wold be possible to find a dinosaur fossil in the coal mine.

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