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the concrete wall of a building is 0120 m thick the temperature inside the building is 238 degc while the temperature
a new car car 1 has a spring loaded rear bumper with a force constant of 84 x 105nbspnm while car 1 is parked a second
1 a mass m moves such that at time t its position is given by xt b ct2 de-kt where b c d and k are constants a what
1 the magnetic flux that passes through one turn of a 15-turn coil of wire changes to 271 from 101 wb in a time of
in a fit a toddler throws straight down his favorite 1 kg toy with an initial velocity of 22 ms what is the magnitude
a student enters best buy prepared to buy a pair of speakers before he does so he conducts an experiment with them he
you have a baseball that weighs 145kg and goes a distance of 9m and is thrown at 25ms in 01 secondsa the baseball
1 calculate the rest mass of the proton in units of mevc22 an electron has a total energy of 27 mev what is the
1 state the law of electromaganetic induction2 define faradays law3 a car of mass 1200kg is moving with a velocity of
1 a 6 kg object oscillates back and forth at the end of a spring whose spring constant is 76 nm an observer traveling
1 concaveconvex lensa 12 cm to the left of convex lens of focal length 82 cmdistance from the convex lens i
suppose one of the global positioning system satellites has a speed of 444 kms at perigee and a speed of 324 kms at
1 a person on earth notices a rocket approaching from the right at a speed of 081c and another rocket approaching from
a 2 kg-block lifted straight up by a hand applying s force of 22 n has an initial kinetic energy of 15 j if the block
1 calculate the kinetic energy would an electron have a debroglie wavelength equal to that of yellow light lambda 585
an x-ray photon is scattered at an angle theta 180o from an electron that is initially at rest after scattering the
1 what is the maximum amount by which the wavelength of an incident photon could change when it undergoes compton
state why it is necessary to leave an air space in a closed glass bottle of water when it is to be kept in a
state two measurements you would take in an experiment to determine the upthrust of an object which is immersed in a
it takes an elevator 35 minutes to raise a vehicle with a weight of 4198 n from the floor to a height of 8 meters what
the windows in an office tower are coated with a film to minimize reflected light of wavelength 550 nm if the glass has
1 concept simulation 252nbspillustrates the concepts pertinent to this problem a 170-cm-high object is situated 222 cm
state the main reason as to why the magnetic field strength of a magnet is greatest at the
explain why the image formed in a pin hole camera gets blurred when the hole is
assignment circular motion gravitation and work and energyplease solve the following problems you must show all work