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Physics, 22.06.2019 04:30
Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105Β° from an earthquakeβs epicenter. c. travel through solids and liquids. d. only affect coastal regions.
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Physics, 23.06.2019 00:30
What is the largest meteoroid that has collided with this planet
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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 12:30
The potential energy for a mass on a spring is proportional to the square of which of these quantities? a. mass b. frequency c. period d. displacement e. velocity
Answers: 1
Describe the forces that moved the floating pieces of chocolate (or wax) during Part 2 of the activi...
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