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The relationship between angular frequency and wavenumber for a deep water wave is: ?=gk???? where g is the acceleration due to gravity. If the phase velocity of a particular wave is 9.5 m/s what is the group velocity of the wave?
small metal bead, labeled A, has a charge of 26 . It is touched to metal bead B, initially neutral, then that the two beads share the 26 charge, but not required equally. When the two beads are then placed 5.0 apart, force between them is 5.4×10-..
A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path
You produce an image of the Sun on a screen using a thin lens whose focal length is 28.3 cm. What is the diameter of the image in millimeters
A man weighing 730 and a woman weighing 410 have the same momentum. What is the ratio of the man's kinetic energy to that of the woman.
Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 2.10 x 105 m/s. What is the distance of closest approach?
A 1.65 block is attached to a spring with spring constant 17. While the block is sitting at rest, a student hits it with the hammer and almost instantaneously gives it a speed of 59.
The far point of a nearsighted person is 5.0 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
A visible disturbance propagates around a crowded soccer stadium when fans, section by section, jump up and then sit back down
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1040 Hz, What is the speed of the bird, expressed as a percentage of the speed of sound
Two stunt drivers drive directly toward each other. At time t=0 the two cars are a distance D apart, car 1 is at rest, and car 2 is moving to the left with speed v0, At what time do the two cars collide?
The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. Explain how high does the top of the ice block float above the water level?
What is the ratio of the amplitude
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