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here are two physical science problems i just need to know how to solve them i only have 13 credit and ill pay it for
what is a major safety feature commonly found in nuclear power reactors that was missing in the design of reactor in
why is the most common hydrogen nucleus particularly effective in use as a moderator but what defect does it have that
suppose you start with a sample with 3400times108 nuclei of a particular isotope this isotope has a half-life of 399 s
1 using the debroglie wavelength of a wrench and a hydrogen atom show that interference and diffraction effects in
a proton mass 167 x 10 -27 kg charge 16 x10 -19 micro c moves from point a to point b under the influence of an
1 what is the relationship between the temperature of a gas and its distribution of kinetic energies is it possible to
an underwater laser beam strikes the face of a submerged transparent plastic cube if nwater nw 133 nplastic np 178
a beam of length l is attached to a string as shown in picture the mass of the beam is m20kg determine the tension in
a small solid sphere of mass m0 of radius r0 and of uniform density rho0 is placed in a large bowl containing water it
dementia and alzheimers patients struggle with activities of daily living how are simple tasks like daily medication a
a small solid sphere of mass m0 of radius r0 and of uniform density rho0is placed in a large bowl containing water it
what is a breeder reactor please describe in a couple of short paragraphs what it does that is different from a typical
what is special about iodine-131 as a radioactive isotope that can harm humans and what is the simple way to defend
two circular coils are concentric and lie the same plane the inner coil contains 120 turns of wire has a radius of 0017
a vessel with a displacement of 12250 tonnes burns 290 tonnes of fuel when travelling at a speed of 15 knots on a
find jupiter it will be the brightest star in the south after dark and determine its azimuth and elevation write that
a metal plate of area 005 m2 is connected to an eight-gram mass via a string that passes over a pulley a lubricant with
1 two boards are bolted together with two bolts as shown the squeeze force between the boards is 500 lbs if the shear
the theoretical work of dirac suggested that for every particle there should exist a corresponding antiparticle the
what is the instrument used to measure time in physics
a 40-kg ball with a velocity of 40 ms in the x-direction collides head-on elastically with a stationary 20-kg ball what
the voltmeter scale is uncalibrated in part because we are missing two values 1 the average of the peak magnetic field
calculate volume of a solid having a mass of 30 kg and density of 150
helium is used to fill a balloon of diameter 37 cm at 22c and 16 atmthe mass of a helium atom is 40026 u the conversion