Physics, 16.11.2019 03:31 raylynnreece5052
At the very end of wagner's series of operas the ring of nibelung, brunnhilde takes the golden ring form the finger of the dead siegfried and throws it into the rhine, where it sinks to the bottom of the river. assuming that the ring is small enough to be treated as a point compared with the depth of the river and that the rhine is 10.0 m deep where the ring goes in, what is the area of the largest circle at the surface of the water over which light from the ring could escape from the water?
**additional problem
also determine the apparent depth of the ring; that is, determine the distance the ring seem to be below the fluid interface when viewd from directly above.
Answers: 1
Physics, 22.06.2019 01:30, tonydeanfbg4798
Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy
Answers: 3
Physics, 22.06.2019 03:30, sere50
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 05:00, shimmerandshine1
At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.
Answers: 2
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