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a certain drawbridge can be modeled as a uniform 160times104n bar 100m long pivoted about its lower end when this
assume all temperatures to be exact and neglect significant figures for small changes in dimension concrete highway
a student was given two forces and asked to find a single force that would produce equilibrium with the two forces the
a line in the spectrum of a certain element is a doublet with wavelengths 5264 and 5272 nm calculate the minimum number
a beam of light of a single wavelength is incident perpendicularly on a double-slit arrangement as in the figure below
calculate the angular momentum of a solid uniform sphere with a radius of 0150m and a mass of 155kg if it is rotating
the velocity gradient uy near the surface of a single plate over which a fluid flows is given by the function uy ay
a photon is emitted when a hydrogen atom undergoes a transition from the n 10 state to the n 4 state calculate values
in a rutherford scattering experiment an -particle charge 2e heads directly toward a silver nucleus charge 47 e the
the g string on a violin has a fundamental frequency of 196 hz it is 290 cm long and has a mass of 0500 g while this
the windpipe of a typical whooping crane is about 50 ft long what is the lowest resonant frequency of this pipe
a compound microscope has objective and eyepiece focal lengths of 60mm and 17cm respectively if the lenses are 85
a groove on a monophonic phonograph record wigges laterally such tht its amplitude and frequency more or less
a small ball is attached to one end of a spring that has an unstrained length of 0214 m the spring is held by the other
an ambulance is generating a siren sound at a frequency of 2400 hz the velocity of sound is 3400 ms the observer is
a 600 cm long organ pipe is filled with air at 15degc and is open at both ends the velocity of sound in air at 0000degc
a string on a violin is stretched between two points 200 cm apart with a tension of 120 n the total length of the
the speed of electromagnetic waves which include visible light radio and x rays in vacuum is 30 x 108 ms wavelengths of
what are a the lowest frequency b the second lowest frequency and c the third lowest frequency for standing waves on a
a string fixed at both ends is 58 m long and has a mass of 021 kg it is subjected to a tension of 120 n and set
two sinusoidal waves of the same frequency travel in the same direction along a string if ym1 55 cm ym2 42 cm 1 0
the heaviest and lightest strings on a certain violin have linear densities of 37 and 028 gm what is the ratio of the
the equation of a transverse wave on a string is y 43 mm sin19 m-1x 300 s-1t the tension in the string is 17 n a what
the amplitude of a lightly damped oscillator decreases by 28 during each cycle what percentage of the mechanical energy
for a damped oscillator with a mass of 280 g a spring constant 140 nm and a damping coefficient of 54 gs what is the