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- 13 Why is a particle non-relativistic when its kinetic energy is small compared to its rest energy?
- 11 What experiments show that the nucleus is spherical in shape?
- 11 What does vector operator for angular momentum measure?
- 10 Maximum entropy at equilibrium for closed system: Local maximum or global maximum?
- 10 Besides the up and down quark, what other quarks are present in daily matter around us?
- 7 How is rest mass $m_0$ in $E=m_0c^2$ related to mass $m$ in $F=ma$?
- 5 Can muons decay into quarks?
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