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Johannes Kepler revealed three empirical laws by using the data on planetary motion, pertaining to the orbit of planets. These laws are contained here because of the huge importance they have regarding the motion of planets.
1. First law (Law of orbit): Every planet moves in an elliptical orbit, with the light at single focus of the ellipse. This is known as law of orbits. For simplification, the orbit can be supposed to be nearly circular because circle is special case of ellipse. Every planet has a definite orbit and dissimilar planets have different orbits.
2. Second law (Law of area): A line joining any planet to the sun (i.e. radius vector of the planet from sun) sweeps equivalent areas in equal interval of time i.e. the linear speed of the planet changes such that the areal velocity of planet is constant. The linear speed is maximum when the planet is nearest to sun, whereas it is minimum when the planet is farthest from the sun.
3. Third law (Law of period): The Square of the time periods of the planet is proportional to the cube of semi-major axis of ellipse. If T is time period of revolution of a planet around the sun and a is the semi-major axis of the orbit of ellipse, then
Use Thévenin's theorem to find the current ?owing in the 14Ω resistor of the network shown in Figure. Find also the power dissipated in the 14Ω resistor.
What is harness? The harness applied in the industry to explain a group of fibers or light guides, particularly terminated and with a common end. Usually, each harness should h
give full detail of nicols prism about 20 to 30 pages
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A bob hanged to astrirg in a box .it is displaced to an agle of 45 .then fid the acceleration of the box at this moment. Ans) gsin45,that is 10/1.4142.as it would have only tangen
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An impulse of 10 kilogram-meters per second acting on an object whose mass is 5 kilogram will cause a change in the objects velocity of: a) 0.5 meters per second b) 2 met
There is more number of substances in the universe than 109 elements. Most matter we run into on a day-to-day basis is composed of compounds-substances in which two or more element
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