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gravitational forceeach week you will reply to two discussion forum questions you may submit your answers together or
periodic waves spread out of the surface of a lake where two women jenny and melissa are fishing in separate boats 38
1nbspthe nucleus of a certain atom has a radius of 40 times 10-15 mnbspan electron orbits the nucleus at a radius of 15
a stone is thrown vertically upwards and reaches a height of 100 m determine the initial velocity of the
a 81 kg chunk of ice has a temperature of -30 degrees c the pressure is one atmosphere heat is added to the chunk until
an experiment is set up in a copper calorimeter of mass 82 g containing 841 g of water at 175 degrees c an iron ball
state the number of images formed when an object is between two plane mirror placed in
a 30-cm-wide diffraction grating has 2500 slits it is illuminated by light of wavelength 590 nmpart a what is the angle
a neutron decays into a proton and an electron write the decay reactions of a neutron using both nucleons and quarks
a 800 g aluminum pan is removed from the stove and plunged into a sink filled with 130 l of water at 195c the water
1 the potential at location a is 524 v a positively charged particle is released here from rest and arrives at location
a tube has a length ofnbsp0022nbspm and a cross-sectional area ofnbsp36nbspx 10-4nbspm2 the tube is filled with a
1 what is the minimum potential difference that must be applied to an xray tube to knock a k shell electron completerly
name the two methods that will produce a spectrum from white light compare the methods based on the type of apparatus
an electron is in the n5 state what is the smallest possible value for the angle between the z component of the orbital
the maximum value for the magnetic quantum number in state a is ml3 while in state b it is m2 what is the ration
1 the hydrogen spectrum contains a blue line with a wavelength of 434 nm photons of blue light are emitted when
two 15 kg masses are 12 m apart center to center on a frictionless table each has 92 muc of chargewhat is the
use the equation m mosqrt1-v2c2 to show that travelling at the speed of light or beyond is impossiblean electron has a
an electron traveling due south enters a region that contains both a magnetic field and an electric field the electric
how many oxygen atoms are in 100 kg of oxygen answer using scientific notation so 123 000 000 atoms is 123e8 and 0000
how many silver atoms are in 10 moles of silver answer using scientific notation so 123 000 000 atoms is 123e8 and 0000
a 800nbspg aluminum pan is removed from the stove and plunged into a sink filled with 130nbsplnbspof water at 200c the
an object is 19nbspcmnbspin front of a diverging lens with a focal length of -10nbspcmdetermine the location of the
a light wave has a 670nbspnmnbspwavelength in air its wavelength in a transparent solid is 450nbspnmwhat is the speed