Why mass changes in high speed?
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This is as per theory of special relativity .
mass = m0 / [ 1 - u^2 / c^2 ]
m0 = rest mass.
u & c are speeds of a body & light respectively.
As per the formula if u > 0, m > m0.
If an object moves it has kinetic energy in addition to energy due to its mass. KE / c^2 adds to mass.
So mass increases.
According to E = m c^2 formula and other mechanics equations, we derive the equation.
mass = m0 / [ 1 - u^2 / c^2 ]
m0 = rest mass.
u & c are speeds of a body & light respectively.
As per the formula if u > 0, m > m0.
If an object moves it has kinetic energy in addition to energy due to its mass. KE / c^2 adds to mass.
So mass increases.
According to E = m c^2 formula and other mechanics equations, we derive the equation.
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