Here contains the collection of expert physics articles that deal with physics topics So what is energy and how do conversations about what it is go wrong? These span all skill ranges and may include astronomy and cosmology topics.
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Quantum physics underlies technologies from the laser to the smartphone
The international year of quantum marks a century of scientific developments. To merge quantum physics and general relativity, physicists aim to quantize gravity But what if gravity isn’t quantum at all? What is the importance of \upsilon = \sqrt {2gh} in physics
I've seen it in escape velocity problems, though with an r instead of h I've seen it with conservation of momentum applications, and it's similar to pe = mgh Yesterday my professor was discussing bernoulli's equation and this equation came up again. In physics, tensors are often a mixture of several vector spaces and several dual spaces
It also makes sense to sort both kinds as the tensor product isn’t commutative
A tensor of type of with contravariant and covariant components is an element (vector) of by (1) this tensor is linear in all its components Physics forums expert math and physics blog Read and learn from expert math and science articles, tutorials, and guides Test your science knowledge with our quiz.
This perfectly legitimate question seems to cause a lot of confusion
