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The frequency of a light wave is the same when the light travels in two different media. Assuming that the refraction indices of the two media are 1.628 and 1.862, respectively, find the ratio of the wavelength of the light in the first medium to that in the second medium.
There is a uniform electric field for regions near the surface of the earth equal to -150 N/C K. (It is directed toward the center of the earth or simply downward).
A 43 kg flywheel with a radius of gyration of 0.20 m is supported on a single bearing at its center of rotation. Determine the time required for the friction to stop the flywheel from rotating. Also determine the angular displacement in this time pe..
A dentist's mirror is placed 2.4 cm from a tooth. The enlarged image is located 6.4 cm behind the mirror. How is the image oriented relative to the object
A small plastic bead has been charged to -15nC, What is the magnitude of the acceleration of a proton that is 0.90cm from the center of the bead
A rocket is traveling at speed V along the x axis of frame S. It emits a signal (for example, a pulse of light) that travels with speed c along the y' axis of the rocket's rest frame S'. What is the speed of the signal as measured in S?
A rock is released from rest into water. The magnitude of Fd of the drag force acting on the rock due to its motion through water can be modeled as Fd = Cd(v), where v is the speed of the rock and Cd is the constant drag coefficient. Determine the..
a 41-kg girl is bouncing on a trampoline. during a certain interval after leaving the surface of the trampoline her
When a large star becomes a supernova, its core may be compressed so tightly that it becomes a neutron star, what is the speed of a particle (in km/s) on the star's equator
A parallel-plate capacitor has plates of area 0.2 m2separated by a distance of 0.003 m. What is the strength of theelectric field between these plates when this capacitor isconnected to a 5-V battery?
Monochromatic x rays are incident on a crystal for which the spacing of the atomic planes is 0.442. What is the wavelength of the x rays
A small circular hole 7.00 in diameter is cut in the side of a large water tank, 25.0 below the water level in the tank. The top of the tank is open to the air.
An electron is a hydrogen atom drops from the n=6 state to the ground state. What is the frequency of the photon that is emitted
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