(a) The uncertainty in the y-component of a proton’s position is 2.0 * 10^-12 m. What is the minimum uncertainty in a simultaneous measurement of the y-component of the proton’s velocity? (b) The uncertainty in the z-component of an electron’s velocity is 0.250 m>s. What is the minimum uncertainty in a simultaneous measurement of the z-coordinate of the electron?

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