State the two Einstein postulates for his theory of special relativity. Determin

Question

State the two Einstein postulates for his theory of special relativity. Determine the relativistic mass and total energy for an electron moving at a speed v = 0.80 c. express the energy in eV or MeV. State the two Einstein postulates for his theory of special relativity. Determine the relativistic mass and total energy for an electron moving at a speed v = 0.80 c. express the energy in eV or MeV. State the two Einstein postulates for his theory of special relativity. Determine the relativistic mass and total energy for an electron moving at a speed v = 0.80 c. express the energy in eV or MeV.

Explanation / Answer

m' = y*m

y = 1/sqrt(1-(v/c)^2)

m' = 1.67 m

part b )

E = K + mc^2

E = m'v^2/2 + m'c^2

E = 1.80378 x 10^-21 J = 0.01127 eV

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