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3 years ago

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Physics

1 answer:

Sladkaya [172]3 years ago

8 0

Explanation :

Chlorofluorocarbons are abbreviated as CFC. It contains only carbon, fluorine, and chlorine. Initially, CFC is used as refrigerants.

Impact of chlorofluorocarbons on the atmosphere are :

(1) It damages the earth's ozone layer. So, it was banned in 1996.

(2) It also contributes to global warming.

(3) They have lived in atmosphere of about 20 to 100 years.

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3 points

blagie [28]

Answer:

A and D

Explanation:

Acceleration is the active change in speed, increasing or decreasing.

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3 years ago

University Physics 9.68: Accelerating Compact Disc. A computer disc drive is turned on starting from rest and has constant angul

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4 years ago

Sound travels at a speed of about 344 m/s in air. You see a distant flash of lighting and hear the thunder arrive 7.6 seconds la

Mazyrski [523]

Answer:

0.056 miles away

Explanation:

From sound wave,

v = 2x/t .................................. Equation 1

Where v = velocity of sound in air, x = distance of echo, t = time.

making x the subject of the equation,

x = 2v/t........................... Equation 2.

Given: v = 344 m/s, t = 7.6 s.

Substituting into equation 2

x = 2(344)/7.6

x = 90.53 m.

x = 90.53/1609.344

x = 0.056 mile.

Thus the lighting strike 0.056 miles away

8 0

3 years ago

What is a greater force 10 Newtons or 5lbs?

Alexxandr [17]

5lbs is greater.
Hope that helps!

7 0

3 years ago

Read 2 more answers

What is the gravitational attraction on you due to a mountain with a mass of 100 million metric tons 1 km away ?

nikklg [1K]

The magnitude of the gravitational attraction is $4\cdot 10^{-4} N$ .

Explanation:

The magnitude of the gravitational force between two objects is given by

$F=G\frac{m_1 m_2}{r^2}$

where

$G=6.67\cdot 10^{-11} m^3 kg^{-1}s^{-2}$ is the gravitational constant

m1, m2 are the masses of the two objects

r is the separation between them

In this problem, we have

$m_1 = 60 kg$ is my mass

The mass of the mountain is 100 million tons, and keeping in mind that

1 ton = 1000 kg

The mass of the mountain is

$m_2 = 100 \cdot 10^6 tons =100 \cdot 10^6 tons \cdot (1000 kg/ton)=100\cdot 10^9 kg$

The distance between me and the mountain is

r = 1 km = 1000 m

Therefore, the gravitational attraction is

$F=\frac{(6.67\cdot 10^{-11})(100\cdot 10^9)(60)}{(1000)^2}=4\cdot 10^{-4} N$

Learn more about gravitational force here:

brainly.com/question/1724648

brainly.com/question/12785992

#LearnwithBrainly

6 0

3 years ago