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Badal Kumar 7 years ago
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Gaurav Seth 7 years, 2 months ago
The poet refers to the fact that the goldfinch's barred face is her identity marker, it is through the distinctive markings on her face which make it look like there are bars across its face that we can identify the goldfinch as it comes out of the branches
Posted by Mahakaal Baba 7 years, 2 months ago
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Yogita Ingle 7 years, 2 months ago
In physics, electrostatics deals with the phenomena and properties of stationary or slow-moving electric charges. Electrostatic phenomena arise from the forces that electric charges exert on each other and are described by Coulomb’s law. Even though electrostatically induced forces seem to be rather weak.
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Yogita Ingle 7 years, 2 months ago
The flow of electric charge is known as electric current. Electric current is carried by moving electrons through a conductor.
Electric Current(I) = Net charge(Q)/Time(t)
Or, I = Q/t
Where,I is electric current,Q is net charge and t is time in second.
Posted by Sarvjit Kumar 7 years, 2 months ago
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Posted by Mahendra Kumar Saw 7 years, 2 months ago
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Gaurav Seth 7 years, 2 months ago
Kinetic energy is the energy possessed by a body by the virtue of its motion. Every moving body possesses kinetic energy. In fact, kinetic energy of a body moving with a certain velocity is equal to the work done to make it acquire that velocity.
Posted by Mithlesh Sharma 5 years, 10 months ago
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Posted by Priya Dolare 7 years, 2 months ago
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Posted by Mahakaal Baba 7 years, 2 months ago
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Yogita Ingle 7 years, 2 months ago
Reproduction is defined as a biological process in which every living organism give rise to new organisms similar to themselves.
Basic features of reproduction:
(i) Replication of DNA
(ii) Cell division (only mitotic, or both mitotic and meiotic)
(iii) Formation of reproductive bodies or units.
(iv) Development of reproductive bodies into offsprings.
Posted by Ashutosh Ranjan 7 years, 2 months ago
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Yogita Ingle 7 years, 2 months ago
The relation connecting the initial velocity (u) and final velocity (v) of an object moving with a uniform acceleration a, and the displacement, S is v2 - u2 = 2aS
This gives S = (v 2 - u 2)/ 2a
We know F = ma. Thus using above equations, we can write the workdone by the force, F as
W = ma × (v 2 - u 2)/ 2a
or
W = 1 /2 m( v 2 - u 2 )
If object is starting from its stationary position, that is, u = 0, then
W = 1/ 2 m v 2
It is clear that the work done is equal to the change in the kinetic energy of an object.
If u = 0, the work done will be W = 1 /2 m v 2 .
Thus, the kinetic energy possessed by an object of mass, m and moving with a uniform velocity, v is Ek = ½ mv2
Posted by Ashutosh Ranjan 7 years, 2 months ago
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Yogita Ingle 7 years, 2 months ago
The relation connecting the initial velocity (u) and final velocity (v) of an object moving with a uniform acceleration a, and the displacement, S is
v2 - u2 = 2aS
This gives
S = (v 2 - u 2)/ 2a
We know F = ma. Thus using above equations, we can write the workdone by the force, F as
W = ma × ( v 2 - u 2)/ 2a
or
W = 1/ 2 m( v 2 - u 2 )
If object is starting from its stationary position, that is, u = 0, then
W = 1 / 2 m v 2
It is clear that the work done is equal to the change in the kinetic energy of an object.
If u = 0, the work done will be W = 1/2 m v 2 .
Thus, the kinetic energy possessed by an object of mass, m and moving with a uniform velocity, v is Ek = ½ mv2
Posted by Raju Kumar 7 years, 2 months ago
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Yogita Ingle 7 years, 2 months ago
- Alternating current is defined as the current that varies like a sine function with time.
- The value of current will oscillate between a maximum value and a minimum value.
- In case of AC the current is changing its magnitude at every instant of time.
- The direction of current will be clockwise and anticlockwise and it will keep on repeating.
- Frequency of the alternating current is defined as how fast the electrons are changing their directions. For example: If frequency is 20Hz this means electrons are moving back and forth 20 times in a second.
- DC voltage gives rise to DC current similarly AC voltage give rise to AC current.
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Md Shahbaz 7 years, 2 months ago
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