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two sources of sound of equivalent loudness have frequencies of 448 hertz and 452 hertz find how many beats per second
a 1000 m long sight rod is viewed by a theodolite which has an objective lens of focal length 240mm the centre support
the speed of a wave on a string is 30 ms the string is 30 meter long and fixed at both ends if the mass of the string
the speed of a wave on a string is 30 ms the string is 30 meter long and fixed at both ends find the lowest resonant
an object 3 cm high is placed 6 cm from a perspex plano-concave lens that has a radius of curvature of 6 cm take the
a laboratory with two bricks total mass is 6 kilogram is held at rest on frictionless horizontal table a 1 kilogram
a mass is hung from a 25 centimeter string the string is pulled aside a distance of 15 centimeter and released find
two flat surfaces are exposed to a uniform horizontal magnetic field of magnitude 049 t when viewed edge-on the first
a 3 g object undergoing simple harmonic motion given by s 25m cos t x 10sec find the maximum kinetic energy for the
the position of a 3 g object undergoing simple harmonic motion is give by x 25m cos t x 10sec evaluate what is the
a wire has a resistance of 159 it is melted down and from the similar volume of metal a new wire is made that is 3
a beam of light is emitted 80 cm beneath the surface of a liquid and strikes the surface 70 cm from the point directly
if you were to design an electric heater using nichrome wire as the heating element determine what parameters of the
two stationary positive point charges charge 1 of magnitude340 nc and charge 2 of magnitude 200 nc are separated with a
the sun appears to move across the sky because the earth spins on its axis to a person standing on the earth the sun
a boy is riding a bicycle and its wheels have an angular velocity of 20 rads then the brakes are applied and the bike
the force among two charges are given by fkq1q2rsq where k90x109 nm2c3 using coulombs law what is the force among a
a truck is traveling at 126 ms down a hill when the brakes on all four wheels lock the hill creates an angle of 18
a ball is thrown directly downward with initial speed of 8 ms from a height of 30 meter find at what time interval
the width of the central bright fringe in a diffraction pattern on a screen is identical when either electrons or
a 500 g object connected to a spring with a force constant of 350 nm oscillates on a horizontal frictionless surface
the speed of waves on a guitar string is 113 ms1 what is the fundamental frequency of the string when the effective
a gamma ray photon emitted with 226ra m2260254406u has an energy of 0186mev use conservation of linear momentum to
a 710 n man stands in the middle of a frozen pond of radius 40 m he is unable to get to the other side because of a