Answer: Fluorinated gases (F-gases) are man-made gases that can stay in the atmosphere for centuries and contribute to a global greenhouse effect. this is extremely bad for the earth and is causing downpour on our plants and animals. Why would we creat gases we can not get rid of its ver diapointing
The subject would be "Planet of the Apes" :)
The disadvantages of unconventional oil and gas extraction as belonging to tar sands mining are as follows:-
Oil and gas extraction:-
- Local groundwater contamination
- Corporate rights to oil and gas on private property
- Waste water in injection wells triggers earthquakes
- Output outpaces transportations
Tar sand mining:-
- 20% more greenhouse gas emission
- Requires heated pipelines for transport
- Huge lakes of acidic and toxic waste water
- Destroys habitat and pollutes watersheds
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Disclaimer:- your question is incomplete, please see below for the complete question.
Classify the disadvantages of unconventional oil and gas extraction as belonging to ei sands mining.
a. ther hydraulic fracturing or tar Hydraulic fracturing Tar sands.
b. mining Answer Bank local groundwater contamination huge lakes of acidic and toxic.
C. wastewater Output outpaces transportation capacity requires heated pipelines for transport destroys habitat and pollutes watersheds corporate rights to oil and gas on private property
D.The breakeven price is S60 per barrel. ye more greenhouse gas emissions Wastewater in injection wells triggers earthquakes
Answer:
Explanation:
When the electrons are ejected from metal surface, the electrons have some kinetic energy if the incident energy is more than the work function of the metal.
The minimum amount of energy which is required to just eject the electrons from the metal surface is called work function. It is denoted by Wo.
The energy incident is E.
So, the maximum kinetic energy k is given by
E = Wo + K
K = E - Wo
Kinetic energy is
K = 0.5 mv²
where, m is the mass of electron, so from the above equation we get the value of velocity of electrons.
Equation of Newton's second law of motion:
Explanation:
The equation that gives the relationship between force, mass and acceleration is Newton's second law of motion:
where:
F is the net force acting on an object
m is the mass of the object
a is the acceleration of the object
This equation basically tells that whenever there is a net non-zero force acting on an object, the object accelerates.
The equation can be re-arranged in three ways:
(1) (standard formula)
(2) Then we can re-arrange by making a the subject, and we get
(3) Then we can further re-arrange the make the mass the subject, and we get
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