I'm sorry, but this is not a question. What do you need to know?
Answer:
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Answer:
6.25 m/s
196 kg/s
Explanation:
The areas of the pipe from big to small:


As the product of speed and cross-section area is constant, the speed in the smaller pipe would be


The mass flow rate would be:

When two objects<span> that are at </span>different temperatures come<span> into </span>contact... heatalways<span> transfers from the </span>object<span> with the higher </span>temperature<span> to the </span>object<span> with the lower temp. the total energy of the particles that make up a substance. In thermal energy the more particles there are of a given substance</span>