2 years ago

A form of oxygen with three atoms of

Physics

1 answer:

lesya692 [45]2 years ago

5 0

Answer:

ozone, letter b

ozone is basically an allotrope of oxygen having three atoms instead of two.

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Round to the hundredths place.

Ivanshal [37]

Answer:

21 protons

Explanation:

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2 years ago

2. An elephant puts a force of 30,000 N on its four feet, which have a

Alja [10]

Pressure = force ( in newtons ) / area ( in m^2 )

pressure put
= 30 000 N / 0.75 m^2
= 40 000 Pa

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2 years ago

How does bilateral symmerty extend to our senses?

andreev551 [17]

Answer:

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2 years ago

What must be the pressure difference between the two ends of a 2.6 km section of pipe, 36 cm in diameter, if it is to transport

ad-work [718]

Answer: $1.13(10)^{3} Pa$

Explanation:

This problem can be solved by the following equation:

$\Delta P=\frac{8 \eta L Q}{\pi r^{4}}$

Where:

$\Delta P$ is the pressure difference between the two ends of the pipe

$\eta=0.20 Pa.s$ is the viscosity of oil

$L=2.6 km=2600 m$ is the length of the pipe

$Q=900 \frac{cm^{3}}{s} \frac{1 m^{3}}{(100 cm)^{3}}=0.0009 \frac{m^{3}}{s}$ is the Rate of flow of the fluid

$d=36 cm=0.36 m$ is the diameter of the pipe

$r=\frac{d}{2}=0.18 m$ is the radius of the pipe

Soving for $\Delta P$ :

$\Delta P=\frac{8 (0.20 Pa.s)(2600 m)(0.0009 \frac{m^{3}}{s})}{\pi (0.18 m)^{4}}$

Finally:

$\Delta P=1135.26 Pa \approx 1.13(10)^{3} Pa$

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2 years ago

What is the displacement of the runner in 4 laps? *<br> 2 point

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Answer:

There is no displacement.

Explanation:

Because the runner is running laps and returning to the original place, there is no displacement as displacement is relative to the change in location from the original position.

Hope this helps. . .

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2 years ago