The heaviest quark is the Top Quark with a mass of 173 GeV/c2. Let's take a Top Quark that is moving with a velocity of 0.0063c ± 0.1%. This is slow enough to ignore relativistic effects. a) What is the momentum of the Top Quark in eV/c? eV/c b) What is the uncertainty in the momentum measurement? eV/c c) At best, what is the uncertainty in the position of the Top Quark in meters? m d) The femtometer (1E-15 meters) is a common unit for describing the size of particles. It is roughly the radius of a proton. What is our uncertainty in femtometers? fm

The heaviest quark is the Top Quark with a mass of 173 GeV/c2. Let's take a Top Quark that is moving with a velocity of 0.0063c ± 0.1%. This is slow enough to ignore relativistic effects. a) What is the momentum of the Top Quark in eV/c? eV/c b) What is the uncertainty in the momentum measurement? eV/c c) At best, what is the uncertainty in the position of the Top Quark in meters? m d) The femtometer (1E-15 meters) is a common unit for describing the size of particles. It is roughly the radius of a proton. What is our uncertainty in femtometers? fm

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