Physics, 26.01.2020 02:31 maxellodom5
Which are the main regions of the periodic table? a. metals, nonmetals, gases b. solids, liquids, gases c. metals, semimetals, nonmetals
Answers: 1
Physics, 22.06.2019 09:00, SisterMina
The material that keeps its new shape after it is stretched is called?
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Physics, 23.06.2019 04:31, michaelsoupios
Atruck travels at an average speed of 70 km/hr. if it travels 100 km in the first hour, how far will it go the second hour of a 2 hour trip? if you could also give me the steps that would great.
Answers: 3
Physics, 23.06.2019 08:30, kaileyy06
The center of a long frictionless rod is pivoted at the origin, and the rod is forced to rotate in a vertical plane with constant angular velocity \omega. write down the lagrangian for a bead of mass m threaded on the rod, using r as your generalized coordinate, where r, \phi are the polar coordinates of the bead. (notice that \phi is not an independent variable since it is fixed by the rotation of the rod tobe \phi = \omega * t) solve lagrange's equation for r(t). what happens if the bead is initially at rest at the origin? if it is released from any point ro > 0, show that r(t) eventually grows exponentially. explain your results in terms of the centrifugal force m* \omega ^2 *r.
Answers: 3
Which are the main regions of the periodic table? a. metals, nonmetals, gases b. solids, liquids, g...
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