Answer:
Explanation:
From the information given:
The diameter of the cylindrical heater (d) = 1 cm
The length of the cylindrical heater (l) = 0.25 m
The ambient air temperature
= 25° C= (273+25)K = 298 K
The convective heat transfer coefficient (h) = 25 W/m² °C
The electric input Q = 5W
As stated in the question that if radiation is being neglected:-
Let also assume that;
the heat transfer takes place at a steady-state
1-D flow takes place
No external heat generation; &
No force convection takes place;
Then; the heat transfer through the convection can be calculated as:


By solving the above calculation:
T ( surface temperature of the heater) = 50.46° C 122.83° F
Answer:
The depth of the downstream of the jump is 
Explanation:
The explanation is shown on the first uploaded image
In comparison to their neutral parent atom, anions are bigger and cations are smaller.
<h3>Why are anions of the same element larger than their neutral counterparts?</h3>
They are forced to spread out more due to electron-electron attraction. They can get closer to each other because there is less electron-electron repulsion.
Because cations contain fewer electrons than their parent atoms while maintaining the same nuclear charge, they are always smaller than those atoms. The leftover electrons are therefore held by the protons in the nucleus more tightly, and as a result, their radii are less than those of the parent atoms. With anion, this is the exact opposite.
To know more about anions and cations visit:
brainly.com/question/4933048
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