Physics, 03.07.2019 15:00 jprofaci29
Which phrase describes an electromagnetic wave? a. a transverse wave consisting of changing electric fields and changing magnetic fields b. a longitudinal wave that can travel through matter or empty space c. a transverse wave consisting of electric fields and magnetic fields traveling through matter
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Physics, 23.06.2019 05:40
While preforming an experiment involving a reaction between two chemicals the scientist observes that the reaction container has become warm the observation is an example of
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Physics, 23.06.2019 08:30
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
Physics, 23.06.2019 08:30
If we compare the force of gravity to strong nuclear force, we could conclude that
Answers: 1
Which phrase describes an electromagnetic wave? a. a transverse wave consisting of changing electri...
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