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Consider a line that is 1.4 m long. A moving object is somewhere along this line, but its position is not known.
a) Find the minimum uncertainty in the momentum of the object.
kg·m/s
(b) Find the minimum uncertainty in the object's velocity, assuming that the object is a golf ball (mass = 0.045 kg).
m/s
(c) Find the minimum uncertainty in the object's velocity, assuming that the object is an electron.
An empty rubber balloon has a mass of 0.0109 kg . The balloon is filled with helium at a density of 0.178 kg/m3. what is the tension in the line
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