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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
a turbine in an electric power plant rotates at 3600 rpm discover its angular speed in radianssecond and decide the
a skater embeds a firecracker in large snowball and pushes it across a frozen pond at 76 ms the firecracker explodes
an earth satellite in circular orbit 1100km above earth makes one complete revolution every 75 minutes what is its
a generator uses a coil that has 80 turns and a 040-t magnetic field the frequency of this generator is 600 hz and its
when an automobile moves by constant speed down a highway most of the power developed by the engine is utilized to
the radioactive isotope 241am with a half-life of 432 years is the active element in many smoke detectors assume such a
in a double-slit experiment you saw in class the distance among slits is 50 mm and the slits are 10 m from the screen
we wish to coat a flat slab of glass n 150 with a transparent material n 125 and illuminate with light of wavelength
a large heavy disk is mounted to a table by a firm clamp a string is wound about an axle on the wheel from which a 100g