Define kepler''s laws, Physics

Assignment Help:

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

2028_22.png


Related Discussions:- Define kepler''s laws

Electronics, list the factors used to classify inductors.

list the factors used to classify inductors.

Temperature coefficient of resistance, Ask question #Minimum 100 words how ...

Ask question #Minimum 100 words how is temperature coefficient of resistance helpful to mankind?accepted#

What is a thin prism?, What is a thin prism? Write the mathematical express...

What is a thin prism? Write the mathematical expression for deviation produced by a thin prism.

How is a galvanometer converted into an ammeter, Define the growth and deca...

Define the growth and decay of current in an inductance, resistance circuit. How the growth and decay are affected with different values of inductance discuss? How is a galvano

Right-hand screw rule, Right-Hand Screw Rule In physics, the right-hand...

Right-Hand Screw Rule In physics, the right-hand rule is a general mnemonic for understanding notation conventions for vectors in 3 dimensions. It was invented for use in elect

Radiation and radioactivity, Radiation and Radioactivity Investigator o...

Radiation and Radioactivity Investigator of radioactivity discovered that certain natural elements, primarily the very heavy ones, have unstable nuclei that disintegrate to emi

What is the initial velocity of an emitted photoelectron, The stopping pote...

The stopping potential of a photocell is 2.3 V. What is the initial velocity of an emitted photoelectron that is brought to a stop by the photocell?

What is gas laws, What is Gas Laws? Kinetic theory states that the spee...

What is Gas Laws? Kinetic theory states that the speed of motion of the molecules in a substance decreases as the substance's temperature decreases. As well, the speed of motio

Laws of motion, A bob hanged to astrirg in a box .it is displaced to an agl...

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

Diffetential amplifier, Ask question #Miwhy does short of capacitor during ...

Ask question #Miwhy does short of capacitor during ac analysics of differential amplifier. nimum 100 words accepted#

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd