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In a liquid with a density of 1450kg/m3 , longitudinal waves with a frequency of 390Hz are found to have a wavelength of 7.50m. Calculate the bulk modulus of the liquid.
A glass plate (n=1.62) is coated with a thin, transparent film (n=1.27). Light reflected at normal incidence is observed as the wavelength is varied continuously. Find the thickness of the film
A popcorn kernal initially at rest, explodes into two peices, one haveing twice the mass of the other. What is the ration of velocities of the frgament
A seagull flies at a velocity of 10.00 m/s straight into the wind, If it takes the bird 18.0 min to travel 6.00 km relative to the earth
Nichrome wire is used in some radiative heaters. What power will it draw when first switched on
A spring with a constant 150 N/m is attached to a block with a mass 1.5 kg. What is the maximum displacement the mass will achieve
A uniform plank of length 5.0 m and weight 211 N rests horizontally on two supports, with d = 1.17 m of the plank hanging over the right support. To what distance, x, could a person who weighs 412 N walk on the overhanging part of the plank before..
In order to pass a physical fitness test, Marcella must run 1000 m at an average speed of 3.90 m/s. How much time does she have to run the last 750 m
A basketball is thrown horizontally with an initial speed of 4.90 m/s. A straight line drawn from the release point to the landing point makes an angle ? = 27.0° with the horizontal. What was the release height
Tim and Rick both can run at a constant speed Vr and walk at the constant speed Vw, (Vw
A muon with rest energy 106 MeV is created at an altitude of 4600 m and travels downward toward Earth's surface. What is the muon's total energy in the Earth observer's frame of reference
Two small spheres spaced 20centimetres apart have equal charge. How many excess electrons should be present on each sphere if magnitude of the force of repulsion between them is newtons.
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 50.00°. Find the dispersion of the slab, which is defined as the difference in the angles of refraction for the two wavelengths
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