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at a distance of 4000 ft from the launch site a spectator is observing a rocket being launched if the rocket lifts off vertically and is rising at a
alkane is a organic compound which having single bond between c-c ie alkane is a saturated
lhscos 12cos 60cos 84cos 12cos 84cos 60cos 122cos 72 cos 1212sin 18cos 1212radic5 -14cos 121radic5 -12cos 12radic5 12cos 12 rhscos 48cos 242cos
a simple pendulum of frequency f has a metal bobif the bob us negatively charged and is allowed to oscillate with a posively charged plate under it
the internal energy change when a system goes from state a to b is 40 kjmole if the system goes from a to b by a reversible path and returns to state
a particle executes linear some with an amplitude if 2 cmwhen the particle is at 1cm from the mean position the magnitude of its velocity is equal to
phase in sinusoidal functions or in waves has two different but closely related meanings one is the initial angle of a sinusoidal function at its
is it possible to add two vectors of unequal magnitude and get a resultant of zeroplease explain alsoans no it is not possible as if the magnitude
normal 0 false false false en-in x-none x-none microsoftinternetexplorer4
from 0-gt1int sqrt1-x2 solutioniintsqrt1-x2dx sqrt1-x2intdx - int-2x2sqrt1-x2intdx ----gtintegration by parts
generally ionic bonds are stronger than covalent bonds this is because in ionic bonds electrostatic forces of attractin are involved the positive
mass of the system is samesincepmvmomentum remains
an uncharged capacitor with a solid dielectric is connected to a similar air capacitor charged to a potential of v0 if the common potential after
the current induced in the conductor due change in magnetic field is called eddy currentwe study more about this in electro magnetic
yes gravity can band lighteg gravity of back hole is very
if hydrogen atom is in an energy level represented by n4how many spectral lines are possible in its emission spectrumans there is a formula for this
energy difference is maximum between which of the consecutive energy levels in an atomans according to the line spectrum of hydrogen maximum energy
it is stated that bohrs theory is applicable to hydrogen like ionswhyansit is not stated in bohrs theory but it is a drawback of his theorythe reason
in ion estimation why we have to change the oxidation state of the fe3 ionans because if iron is in 3 oxidation state it will be morestable then we
isnt there any relation to calculate the dipole moment from the electronegativities of the participating atomssolution
sin cot-1 cos tan -1xtan-1 x a gt tan a xsec a radic1x2 gt cos a 1radic1x2 so a cos-11radic1x2sin cot-1 cos tan -1x
no the parallel lines do not meet at infinity because the parallel lines never intersect each other even at infinityif the intersect then it is
net force acting on particle of mass 2 kg is 10n in north directionat to particle was moving eastwards with 10ms find displacement and velocity of
a man is known to speak truth 3 out of 4 timeshe throws adie and reports it is a six find the probability that it is actually a sixsolution
al is used as reducing agent for the extraction of metals such as chromiummonganesexplain whysolution al3 3 e- lt----gt algood reducing agents like