3 years ago

Before leaving an incident assignment, you should do all of the following EXCEPT FOR:

Physics

1 answer:

Free_Kalibri [48]3 years ago

7 0

Self-dispatch to another incident

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Which of the following examples shows the greatest amount of biodiversity

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Answer:

A lake full of a larger variety of fish, frogs, and birds

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3 years ago

Part A : A cylindrical water tank 10cm high and 520cm in diameter is filled with solution with a density of 0.75 g/cm^3

lisov135 [29]

Answer: $0.1066\ psi, 15.611\ kN$

Explanation:

Given

the height of the tank is $h=10\ cm$

The diameter of the tank is $d=520\ cm$

Density of solution $\rho=0.75\ g/cm^3\ or\ 750\ kg/m^3$

$(a)$ Water pressure at the bottom of the tank is

$P=\rho gh\\P=750\times 9.8\times 0.1\\P=735\ Pa$

$1\ Pa=0.000145038\ psi$

$\Rightarrow P=735\ Pa\ or\ 0.1066\ psi$

$(b) \text{Average force on the bottom is the product of pressure and area of the base}$

$F_{avg}=735\times \pi \cdot (\frac{520}{200})^2\\\\F_{avg}=735\times 3.142\times 6.76\\F_{avg}=15,611.34\ N\ or\ 15.611\ kN$

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3 years ago

A population of birds walks along the shores of a swampy area eating small crabs. Climatic changes cause the water level in the

sergejj [24]

R there any answer choices

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4 years ago

What is Snell law of refraction????

Morgarella [4.7K]

$\huge\mathbb\colorbox{black}{\color{white}{⏫FORMULA⏫}}$

$\huge\red {\underline { \overline{ \bf \mid\: \: \: ↓ANSWER↓ \: \: \mid}}}$

Explanation:

Snell's law (also known as Snell–Descartes law and the law of refraction) is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media, such as water, glass, or air.