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3 years ago

Which of the following is a function of the atmosphere?

2 answers:

Rudiy273 years ago

4 0

The answer would be B because the atmosphere serves as a filter from all harming substances in space from entering the earth

almond37 [142]3 years ago

3 0

The answer is B. The atmosphere provides the earth a moderate and livable climate. The atmosphere is a storage of gases. It contains air which has oxygen that enables us to breath and live in this planet. Also, the atmosphere protects the people by absorbing harmful electromagnetic radiation from the sun.

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A positive point charge (q = +5.45 x 10-8 C) is surrounded by an equipotential surface A, which has a radius of rA = 1.49 m. A p

ruslelena [56]

Answer:

$r_{B} = 3.34\ m$

Solution:

As per the question:

Point charge, q = $5.45\times 10^{- 8}\ C$

Test charge, $q_{o} = 4.96\times 10^{- 11}\ C$

Work done by the electric force, $W_{AB} = - 9.05\times 10^{- 9}\ J$

Now,

We know that the electric potential at a point is given by:

$V = \frac{kqq'}{r}$

where

r = separation distance between the charges.

Also,

The work done by the electric force i moving a test charge from point A to B in an electric field:

$W_{AB} = kqq_{o}(\frac{1}{r_{B} - \frac{1}{r_{A}}}$

$- 9.05\times 10^{- 9} = 9\times 10^{9}\times 5.45\times 10^{- 8}\times 4.96\times 10^{- 11}(\frac{1}{r_{B}} - \frac{1}{1.49}}$

$- 0.3719 = (\frac{1}{r_{B}} - 0.67}$

$r_{B} = \frac{1}{0.299} = 3.34\ m$

5 0

3 years ago

An air mass is a large pocket of air with _____.

maw [93]

An air mass is a large pocket of air with a uniform temperature and humidity

5 0

3 years ago

Science cannot be used to answer questions about _____.

aksik [14]

Science cannot be used to answer questions about Moral judgements

8 0

3 years ago

Read 2 more answers

What describes a sound wave as it travels through a medium

Softa [21]

Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves.

5 0

3 years ago

All of the following are regulated by the medulla except

Fantom [35]

Answer:

D. flight or flight response.

Explanation:

im 99.999999% sure im right.

hey

vegan mac n cheese

always has been

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3 years ago