Question: Convert the following equations from the geometrized units in which they are written to SI units. (a) The Planck time t P expressed in terms
Convert the following equations from the geometrized units in which they are written to SI units.
(a) The “Planck time” tP expressed in terms of Newton’s gravitation constant G and Planck’s reduced constant ℏ, tP =√Gℏ. What is the numerical value of tP in seconds? in meters?
(b) The energy E = 2m obtained from the annihilation of an electron and a positron, each with rest mass m.
(c) The Lorentz force law mdv/dt = e(E + v × B).
(d) The expression p = ℏωn for the momentum p of a photon in terms of its angular frequency ω and direction n of propagation.
How tall are you, in seconds? How old are you, in meters?
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a To convert tP expressed in geometrized units to SI units tP Gc5 where c is the speed of light in v... View full answer
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