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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
At what velocity a clock should move so that it seems slow by one minute in a day.
Ultraviolet catastrophe: A shortcoming of the Rayleigh-Jeans formula, that tries to explain the radiancy of a blackbody at several frequencies of the electromagnetic spectrum.
definition off terminal velocity
In this problem we will consider a vapor fluid interface on top of a solid surface. A schematic is shown below: This is a zoomed-in picture of the edge of a liquid droplet
A 2.00 x 10 3 -g sample of water at 100.0°C is mixed with a 4.00 x 10 3 -g sample of water at 0.0°C in a calorimeter. What is the equilibrium temperature of the mixture?
HOW TO DRAW OR GET B-H CURVES & THEIR HYSTERISIS LOOPS FOR NON MAGNETIC MATREIALS
Que: Consider two identical tiny metal balls one having a charge of +1 micro-coulombs and the other having a charge of +3 micro-coulombs. The balls are separated from each one
How theta between plane of the coil and magnetic field remains constant
A small sports car collides head on with a massive truck. a. Which vehicle will experience the maximum magnitude force: the car, the truck, or neither? Explain. Neither, they
A small bulb is placed at the bottom of a tank containing water to a depth of 80 cm. What is the area of the surface of water through which light from the bulb can emerge out? Refr
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