3 years ago

What is the common name for tropospheric ozone

Physics

1 answer:

Galina-37 [17]3 years ago

5 0

Ozone in troposphere is also know as Bad Ozone, Evil Ozone and Ground Level Ozone.

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If the mass of the earth and all objects on it were suddenly doubled, but the size remained the same, the acceleration due to gr

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3 years ago

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What is precision?what is precision?

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According to Oxford Dictionaries "Precision" means "the quality, condition, or fact of being exact and accurate."

Explanation:

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2 years ago

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Which phrase best defines topography?

serious [3.7K]

Answer:

mapping the land

Explanation:

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3 years ago

A bottle rocket takes off with a = 34.5 m/s2. It

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Answer:3.4 seconds

Explanation:

Initial velocity(u)=0

acceleration=34.5m/s^2

Height(h)=200m

Time =t

h=u x t - (gxt^2)/2

200=0xt+(34.5xt^2)/2

200=34.5t^2/2

Cross multiply

200x2=34.5t^2

400=34.5t^2

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400/34.5=34.5t^2/34.5

11.59=t^2

t^2=11.59

Take them square root of both sides

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3 years ago

A sound source emits 20.0 W of acoustical power spread equally in all directions. The threshold of hearing is 1.0 × 10-12 W/m2.

ahrayia [7]

Answer:

0.0018 W/m²

Explanation:

Power and intensity are related as:

$I=\frac{P}{4\pi r^2}$

P= 20.0 W (given)

r = 30.0 m (given)

$I=\frac{20.0}{4\pi(30.0)^2}=0.0018 W/m^2$

Intensity in decibels:

$I(dB)=10log\frac{I}{I_o}\\=10log\frac{0.0018}{10^{-12}}=92.5 dB$

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3 years ago