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Lokesh Sharma 8 years, 4 months ago
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Nisha Pranami 8 years, 4 months ago
Arun Soni 8 years, 4 months ago
It is not possible to have momentum of a body which is not having energy.Becuse if it has no energy means velocity of the object is zero. If velocity is zero, then momentum (m×v) will also be zero.
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Sahdev Sharma 8 years, 4 months ago
Side of square = 5 m
Perimeter of Square = {tex}4\times 5 = 20 \ m{/tex}
Distance covered in one round = 20 m
Distance covered in {tex}10{1\over 2}\ round {/tex} = {tex}20\times {21\over 2}= 210 m{/tex}
Displacement is shortest distance between starting point and ending point. As he is in between of square so displacement = 10 m
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Govind Singh 7 years, 10 months ago
The extension produced x is directly proportional to the force applied to extend or compress the spring. F=kx were k is spring constant. The work done to stretch or compress the spring is stored as its PE W= integral 0 to x (Fdx) =0 to x (kxdx) =1/2 kx^2
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Arun Soni 8 years, 4 months ago
Torque is defined as the cross product of the vector by which the force's application point is offset relative to the fixed suspension point (distance vector) and the force vector, which tends to produce rotational motion.
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Arnav Singh 8 years, 4 months ago
Payal Singh 8 years, 4 months ago
Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.
Himanshu Singhal 8 years, 4 months ago
Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines. The term is derived from the Greek word παράλλαξις (parallaxis), meaning "alternation". Due to foreshortening, nearby objects have a larger parallax than more distant objects when observed from different positions, so parallax can be used to determine distances.
To measure large distances, such as the distance of a planet or a star from the earth, astronomers use the principle of parallax. Here, the term "parallax" is the semi-angle of inclination between two sight-lines to the star, as observed when the Earth is on opposite sides of the Sun in its orbit. These distances form the lowest rung of what is called "the cosmic distance ladder", the first in a succession of methods by which astronomers determine the distances to celestial objects, serving as a basis for other distance measurements in astronomy forming the higher rungs of the ladder.
Posted by Parth Chaudhari 8 years, 4 months ago
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Himanshu Singhal 8 years, 4 months ago
It's a short range force called the strong force.
Explanation:
As you may know, the proton is not an elementary particle, it is made of three quarks plus a sea of gluons. Gluons are the elementary particles that transmit the strong force. Particles that are sensitive to the strong force carry one of three colors.
The term color here refers to a quantum number that is more like a charge. it is only because there are three strong charges and three fundamental colors that by analogy, the strong charge is called the color. The strong force, unlike the electromagnetic force, is confining. That is a proton cannot be broken in free quarks. These are always bound.
The strong force, at the distances of the order of the proton radius, is 60 times stronger than the electromagnetic force
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