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nalin [4]
3 years ago
13

What is responsible for the hole in the ozone layer?

Physics
2 answers:
Vaselesa [24]3 years ago
5 0
CFCs, carbon dioxide, green house gases and it's effects are responsible for the hole in ozone layer.
babymother [125]3 years ago
4 0

Answer: The depletion of the ozone layer is due to CFC (chloro fluoro carbon) which is widely used in air conditioner and refrigeration.

Explanation:

Ozone layer prevents the harmful radiation from entering the earth's surface.

Ultraviolet radiation is very harmful radiation. Exposure of this radiation can cause Skin cancer. It is the main cause of the sunburn.

The depletion of the ozone layer is due to CFC (chloro fluoro carbon) which is widely used in air conditioner and refrigeration.

CFC is broken down by ultraviolet radiation. Then, the chlorine is released. This chlorine reacts with oxygen. In this way, it destroys the ozone molecule.

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Where is the acceleration zero?
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Answer:

When acceleration is zero (that is, a = dv/dt = 0), rate of change of velocity is zero. That is, acceleration is zero when the velocity of the object is constant. so probably D

Explanation:

D

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In your own words explain efficiency
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Volcanic ash and sulfur dioxide spewed out of Mt. Pinatubo in 1991. These materials can reflect incoming solar radiation. Over t
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he atomic radii of Li and O2- ions are 0.068 and 0.140 nm, respectively. (a) Calculate the force of attraction in newtons betwee
Crazy boy [7]

Answer:

a

 F =  -1.07 *10^{-8} \  N

b

F_r  =  1.07 *10^{-8} \  N

Explanation:

Generally the force of attraction between this two irons is mathematically represented as

F =  \frac{k *  [Q_{Li}  ] * [Q_{O}  ]  }{ r^2}

Here k is known as the proportionality constant with value k = 2.31  *  10^ {-28} J \cdot m

substituting -2 for Q_{O} i.e the charge on oxygen , +1 for Q_{Li} i.e the charge on Lithium and [0.140 + 0.068 ] nm= 0.208 nm =  0.208*10^{-9} for r

So

F =  \frac{ 2.31  *  10^ {-28}*  +1   * -2   }{ ( 0.208*10^{-9} )^2   }

F =  -1.07 *10^{-8} \  N

Generally the force of repulsion will be the magnitude but different direction to the force o attraction

So Force of repulsionn is

F_r  =  1.07 *10^{-8} \  N

6 0
4 years ago
A motorbike is travelling with a velocity of 3m/s. It accelerates at a rate of 9.3m/s for 1.8s. Calculate the distance it travel
Misha Larkins [42]

Explanation:

Consider the kinematic equation,

x  = vt +  \frac{1}{2} a {t}^{2}

where x is the distance traveled, v is the initial velocity, a is the acceleration and t is time. By plugging in known values and solving for x,

x = 3(1.8) +  \frac{1}{2} (9.3) {1.8}^{2}

through simple algebra we get

x = 20.466

where this is the distance traveled in meters.

4 0
3 years ago
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