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a body c of mass m8 kg initially at rest slides without friction along the surface of a block b which is inclined by 54
a ball of relatively low density is thrown upwards because ofair resistance the acceleration while traveling upwards
write the structural formula of the main organic product for the following reaction between an alcohol tosyl chloride
after fixing a flat tire on a bicycle you give the wheel aspina if its initial angular speed was 615rads and it rotated
the mass of the sun is 20x1030nbspkg and the mass ofa hydogen atom is 167x10-27nbspkg if we assume that the sun is
in a study of alcohol dehydrogenase on alcohol at250 degrees celcius the concentration of ethanol in a first order
a wire of initial length l0 and radiusr0 has a measured resistance of 40 the wire is drawn under tensile stress to a
in a double-slit experiment two parallel slits are illuminatedfirst by light of wavelength 464 nm and then bylight of
cah2 2h2o --gt 2h2 caoh2 how many grams of calcium hydride are needed to produce 10l of hydrogen gas collected over
in a double-slit experiment slits separated by1210e-4 m are illuminated by a coherent571 nm light source what is the
a runner of mass m37kg and running 28 ms runs and jumps on the rim of a playground merry go round which has a moment of
two isotopes ofa certain element have binding energies that differ by 1403 mev the isotope with the larger binding
the thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order
a wheel turns through 34 rev as it slows from an angular speedof 25 rads to a stopwhat is the angular
a skier starts from rest at the top of a hill the skier coasts down the hill and up a second hill the crest of the
calculate the temperature at which k 100 s-1 if k 500 s-1 at 318 k the activation energy for the reaction is 450 kj
a circular beaker is 40 cm tall and has a radius of 2 cm itinitially holds water at a depth of 25cm it is then
if the rate of formation of c at a certain time in the reaction 2ab gives 3cd was to be 25 molls what is the rate of
a piece of aluminum with a mass of 20 kg and density of 2700kgm3 is suspended from a string and then completely
during an isothermal process 50 j of heat is removed from anideal gas what is the change in internal
how does the radius of li compare to the radius of li find actual value and explain why how does the radius of cl-
a particle of mass 0450 kg is attached tothe 100 cm mark of a meter stick of mass 0125 kg the meter stick rotates on a
a based on the amounts of copper metal1017g and nitric acid52ml you used in the reaction calculate the number of moles
a 53-kg woman contestant on a reality television show is at rest at thesouth end of a horizontal 149-kgraft that is
an airplane has an effective wing surfacearea of 10 m2 that is generating the lift force inlevel flight the air speed