by • 04/07/2012 • GeneralComments (0)648


The ability of a body to perform work is called its energy. The unit of energy in S.I system is joule.
Kinetic Energy

The energy possessed by a body by virtue of its motion is called it kinetic energy.

K.E = 1/2 mv2

m = mass,

v = velocity

Prove K.E = 1/2 mv2

Bulstrode, who should have some hint given her, that if
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