Physics, 18.03.2021 01:40 mrsqueenbabe516
A cylindrical jar of radius 7.0cm and height
25cm, is filled with a liquid 0.80gcm'. What is
the pressure exerted at the bottom of the jar by
the liquid? (g=9.8ms)โ
Answers: 2
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The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?
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The fine detail of saturn's rings provides evidence that the planet may be: a. young b. millions of years old c. in a state of growing larger
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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
A cylindrical jar of radius 7.0cm and height
25cm, is filled with a liquid 0.80gcm'. What is
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