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Andru [333]
3 years ago
12

Am I right? If not please explain why and give the correct answer. Please I really need help y’all:-(

Physics
1 answer:
SCORPION-xisa [38]3 years ago
6 0

You are given two velocities. The equation you have chosen has only 1 velocity. On top of that, B and D are the same equation. If you divide B by t you get D. So both are wrong.

you want d in some form, so the equation is either a or c. We don't know what the acceleration is -- only that it is constant. You should pick a which assumes a constant acceleration.

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A(n ______ is a well-blended mixture that appears to be a single substance
Natali [406]

None of the choices is a suitable fill-in for the blank.

The question is fishing for "solution", but that makes
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8 0
3 years ago
A large aquarium of height 6 m is filled with fresh water to a depth of D = 1.50 m. One wall of the aquarium consists of thick p
Vesnalui [34]

Answer

given,

height of aquarium = 6 m

Depth of fresh water = D = 1.50 m

horizontal length of the aquarium(w) = 8.40 m

total force increased when liquid is filled to depth = 4.30 m

g = 9.81 m/s²

ρ = 998 Kg/m³

force in the aquarium.

dF = PdA

F = \int PdA

F = \int \rho\ g\ y\ (wdy)

F = \rho\ g\ w \int ydy

F = \rho\ g\ w\dfrac{y^2}{2}

F = \dfrac{\rho\ g\ w\ y^2}{2}

At D = 1.5 m

F = \dfrac{980\times 9.8\times 8.4\times 1.5^2}{2}

F = 9.08 x 10⁴ N

At D = 4.30 m

F = \dfrac{980\times 9.8\times 8.4\times 4.3^2}{2}

F = 7.46 x 10⁵ N

Total force on the wall increased by

ΔF  = 74.6 x 10⁴ - 9.08 x 10⁴

ΔF  = 65.52 x 10⁴ N

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