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a radio station broadcasts at a frequency of 1mhz with a total radiated power of 5000 wattsa what is the wavelength of
1 consider an machlett dynamax x-ray tube with a tungsten target operating with an accelerating potential of 100 kv and
consider the corresponding problem for a particle confined to the right-hand half of a harmonic-oscillator potentialvx
you can assume that air resistance and other frictional forces can be ignored in this questiona define a datum for the
1 errorsthe time it takes to go from rest to 30 mph at constant deceleration can be measured to an accuracy of 1 what
what is a pseudo force explain with the help of an appropriate examplesolve the following problem using the concept of
a 50 kg object moving on a horizontal surface has an initial velocity vi50i100j when a force f acts on the object for 3
1 a uniform electric field with a magnitude of 6050 nc points in the positive x direction find the change in electric
a particle of mass m is moving on a frictionless horizontal table and is attached to a massless string whose other end
a force of 300 pounds compresses a 10-inch string to a length of 4 inches1 calculate the work done in compressing the
a cutting tool under microprocessor control has several forces acting on it one force is f -alpha xy2 hat j a force
1 a rock is thrown straight up from the surface of the earth which one of the following statements describes the energy
a pile driver drives a pile into the ground this means that a mass of 1000kg is lifted through 5m and released to fall
1 suppose that a photon has energy of 5 x 10 -19 j five times ten to the negative 19th joule whats the wavelength of
light from a laser hits the surface of cesium with a minimum photon energy of 214ev being required to remove photons
1to immobilize a fractured femur doctors often utilize the russell traction system illustrated in the figure below
an object of mass m1 on a frictionless horizontal table is connected to an object of mass m2 through a very light
you exhale at the rate of 14 breaths a minute under normal conditions each breath containing 050 l of air you exhale
1 what is linear momemtum of a 198 kg aircraft going 483ms2a 240kg cart runs into the rear of a 134kg cart that is
1 a person standing on the floor is leaning against a wall the wall exerts on the person a force of 100 n in the
multiple choice1when you stand on one footayour centre of mass will be directly above that footbyour centre of mass
1 you are loading a spring loaded dart gun and do an amount of work w such that the spring is only 13 compressed how
1if a 60 kg woman is riding in a car travelling at 90kmh what is her linear momentum relative to athe ground b the
1 consider the energy of a 100 kg rockawhat is the gravitational potential energy pe of the rock that is on a table 5 m
powerpoint presentation and accompanying five minute speaking presentation to memorize onhow are amounts of greenhouse