From the above diagram, which phase of the Moon will result in the greatest difference between high and low tide? A. New Moon B.
Last Quarter C. First Quarter D. Crescent Moon
2 answers:
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Answer:
376966.991 Joules
Explanation:
Given that :
the height = 12 m
Let assume the tank have a thickness = dh
The radius of the tank by using the concept of similar triangle is :
The area of the tank =
The area of the tank =
The area of the tank =
The volume of the tank is = area × thickness
=
Weight of the element =
where;
= density of water ; which is given as 10000 N/m³
So;
Weight of the element =
Weight of the element =
However; the work required to pump this water = weight × height rise
where the height rise = 12 - h
the work required to pump this water = (12 - h)
the work required to pump this water =
We can determine the total workdone by integrating the work required to pump this water
SO;
Workdone =
=
=
=
=
=
= 376966.991 Joules