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A train consists of an engine and $n$ trucks. It is travelling along a straight horizontal section of track. The mass of the engine and of each truck is...
Asked on 12/03/2021
6 answerI had researched it and I saw everyone has there different answer. Someone says its Magnus effect, someone says it is Coanda effect and someone says its Bernoulli's principle. Can...
Asked on 12/03/2021
2 answerUnderstood situations: a) Inelastic, rough collision of free spheres In such a collision, two coefficients are used. The coefficient of restitution in the normal direction (the ratio $c_N$ of...
Asked on 12/03/2021
3 answerIn his paper "Uniformly accelerated reference frames in Special Relativity", E. Desloge describes the acceleration of an accelerated observer through what he refers to as a direct...
Asked on 12/03/2021
2 answerWhen a paramagnetic material is placed in a strong external magnetic field, then you'll find that the magnetic momenta of the electrons in the material will align to the field,...
Asked on 12/02/2021
1 answerBecause of uncertainty, you cannot measure both velocity and exact position. Is this because when you measure the position of a particle, it is freezing it in its frame...
Asked on 12/02/2021
2 answerConsider a box sliding along a friction-less floor at a constant velocity. Now typically atmospheric pressure is 14.7 psi on all surfaces of the object. But if it is moving...
Asked on 12/02/2021
1 answerI know a neutron decays outside the nucleus into a proton and an electron and also that a neutrino has no charge but is there a particle that simply has...
Asked on 12/02/2021
1 answerAccording to the uncertainty principle, certain pairs of physical quantities are complementary variables. Wikipedia has a list:Energy <> TimeLinear Momentum <> PositionAngular Momentum <> Angular PositionMass-Momentum <>...
Asked on 12/02/2021
0 answerWhy is it that in M-theory, the 11-dimensional vectors are labelled with indices $0 dots 9,11$. For example, the spatial momentum components are $p_{1}, dots, p_{9}, p_{11}$. Why...
Asked on 12/02/2021
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