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A violin string, fixed at both ends, is made to oscillate and a standing wave, with three antinodes, is created. Discover the wavelength of this wave if the length of the string is L. If the tension in the string is increased by a factor of four, what happens to the frequency assuming that the above wave-pattern is to be maintained?
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 19.0 m/s. How long after being released does the stone strike the beach below the cliff
a satellite has a mass of 100 kg and is located at 2.00x 10^6 m above the surface of the earth. estimate the magnitude of the gravitational force on the satellite
you have a lens whose focal length is 6.63 cm. you place an object on the axis of the lens at a distance of 12.7 cm
A certain laser outputs pure blue light (photon energy 3.1 eV) with power 400 milliwatts (0.4watts). How many photons per second does this laser emit
The magnetic flux through one face of a cube is +0.120Wb. a) Whatmust the total magnetic flux through the other five faces of thecube be? b) why didn't you need to know the dimensions of the cubein order to answer part (a)?
a man with mass m1 61 kg stands at the left end of a uniform boat with mass m2 168 kg and a length l 2.6 m. let the
Particles called ?-mesons are created by accelerator beams. If these particles travel at 2.80 ? 108 m/s and live 2.60 ? 10-8 s, how long do they live as viewed in the laboratory
Find out the velocity with which he strikes the water.
a converging lens forms an image of an 8.00-rnm-tall real object. the image is 12.0cm to the left of the lens 3.40cm
A magnifier has a magnification of 8 times. How far from the lens should an object be placed so that its (virtual) image is at the near-point distance of 25 {rm cm}.
a skateboarder is moving at a constant velocity of 1.75 ms when she starts up an incline that causes her to slow down
Photorefractive keratectomy (PRK) is a laser-based surgery process that corrects near- and farsightedness by removing part of the lens of the eye to change its curvature and hence focal length. What is the energy of a single photon
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