CBSE Class 9 Answered
what is kinetic energy?
Asked by rachanapriyadarshini2005 | 09 May, 2019, 09:48: PM
Expert Answer
It's a energy posses by any moving body due to continuous change in it's position. If mass of body is m and velocity v with which it is moving then kinetic energy of the body will be given as E=1/2mv2
It's unit is Joule (J)
Fo example in chemistry, kinetic energy and temperature are related. The faster the particles are moving, the higher the temperature. Where the relation is given by
Kinetic energy of the atom or molecule through the relationship, KE = 1/2 m v(bar)2 = 3/2 kT where v(bar) is the average velocity of all of the molecules, m is the mass, k is a constant, known as the Boltzmann constant, and T is the temperature.
Answered by Sivanand Patnaik | 10 May, 2019, 08:40: AM
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