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consider a uniform thin rod of length 200 m and mass 100 kg is lying on a smooth horizontal table a horizontal impulse
unpolarized light with an intensity of 875 w m2 is incident on a polarizer with an unknown axis the light then passes
hydrolysis of the compound b5h9 forms boric acid h3bo3 fusion of boric acid with sodium oxide forms a borate salt
a river 982 m wide flows toward the south at 358 mmin a girl on the west bank wishes to reach the east bank in the
explain why corresponding phosphorus and arsenic compounds resemble each other more closely than they do nitrogen
unpolarized light of intensity i0 is incident on three polarizing filters the axis of the first is vertical that of the
the iron3 ion have five unpaired electrons in octahedral coordination complexes it may have either one or five unpaired
a 200 gram block attached to the end of an ideal spring horizontal with force constant k 70 nm undergoes simple
an inductor a capacitor and a 640- resistor are connected in series with an ac generator the generator produces an rms
if the volume remains constant as the temperature is raised the pressure exerted by the gas a remains constant b
water flowing through a hose at 4 ms fills a 900l childs pool in 8 mina what is the diameter in cm of the
which of the following is an experimental fact that valence bond theory cannot explain but molecular orbital theory can
1 find the buoyant force acting on the he balloon the volume of the balloon might be calculated from the following the
use coulombs law to calculate the ionization energy in kjmol of an atom composed of a proton and an electron separated
a 2250 kg satellite used in a cellular telephone network is in a circular orbit at a height of 510 km abouve the
it takes 280 s for a small ball with a mass of 0120 kg released from rest from a tall building to reach the grounda
a gaseous fuel mixture stored at 745mmhg and 298 k contains only methane ch4 and propane c3h8 when 115l of this fuel
a pilot claims to have seen a ufo moving initially at a speed of about 484 ms in an easterly direction and then in a
a decreasing the volume of a gas b melting a solid c chemical reactions that increase the number of moles of gas d
assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 07 mwif such a laser
an earth satellite of the mass 3500 kg moves in a circular orbit with an orbital speed of 33 kms find the elevation of
a circuit that consists of a capacitor in series with a 50 ohm resistor draws 4 a from a 250-vrms 200 hz power sourcea
an archer wishes to shoot an arrow at a target at eye level a distance of 600 m away if the initial speed imparted to
part a- use coulombs law to calculate the ionization energy in kjmol of an atom composed of a proton and an electron