Question
SITUATION 9:
A vat filled with paint is 9 m long. Its ends are
in the form of trapezoid 3 m at the bottom and
5 m on the top. The vat is 4 m high and the
specific gravity of paint is 0.8 .
50 . Compute the total weight of paint.
A vat filled with paint is 9 m long. Its ends are
in the form of trapezoid 3 m at the bottom and
5 m on the top. The vat is 4 m high and the
specific gravity of paint is 0.8 .
50 . Compute the total weight of paint.
Ask by Watson Joseph. in the Philippines
Dec 08,2024
Upstudy AI Solution
Tutor-Verified Answer
Answer
The total weight of the paint is approximately 1130.1 kN.
Solution

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To compute the total weight of the paint in the vat, we first need to find the volume of the trapezoidal prism. The area of the trapezoidal end is calculated using the formula:
where
(bottom) and
(top), and
(height of the vat).
Plugging in the values, we have:
The volume of the vat is then:
To find the weight, we first need the mass. The mass can be calculated using the specific gravity, which is the ratio of the density of the substance to the density of water (approximately
).
Now, we find the mass of the paint:
The weight (W) of the paint is obtained by multiplying the mass by gravity (assumed to be
):
Thus, the total weight of the paint is closest to option b. 1130.1 kN.
So, the final answer is b. 1130.1 kN!