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a slit of width 048 mm isilluminated with light of wavelength 464 nm and a screen is placed 124 cm in front of the slit
the following charges are located inside a submarine 400 microc -900 microc 270 microc and-480 microc a calculate the
what is the final product of the synthesis of the enamine of 22-dimethylcyclohexanone and
a tungsten cathode with work function 45 ev is heated torelease electrons that are then initially at rest outside the
you start with a 2354 g sample of a mixture containing sio nacl and nh cl if after subliming away the nh cl you have
an oil drop whose mass is determined to be 28x10-15 kg isheld at rest between two large plates separated by 10 cm when
sound propagating through air at 30oc passesthrough a vertical cold front into air that is 40oc ifthe sound has a
if eethanol and eoctane are the energies per gram of fuel produced by ethanol and octane respectively calculations show
predict the order of elution of a mixture of triphenylmethanol biphenyl benzoic acid and methyl benzoate from an
a spring causes a textbook attached to its end to oscillate back and forth the end of the springs position at time t is
a 10g pellet shot from a gun is moving horizontally with aspeed of 100ms when it hits and stops in a 400g woodblock the
calculate the mass in grams of hydrogen chloride produced when 45 l of molecular hydrogen measured at stp react with an
a flywheel i 100kgm2 rotating at 500revmin is brought to rest by friction in 20 minutes what is the frictional torque
a firefighter with a weight of 715 nslides down a vertical pole with an acceleration of 285 ms2 directed downwarda what
a 35-kg box is pulled with a 55-n force at 38 degrees above the horizonal surface coefficent of kinetic friction
a bicycle pump has a barrel that is 75 cm long about 30 in if air is drawn into the pump at a pressure of 097 atm
a thin film of polystyrene is used as a nonreflecting coating for fabulite the index of refraction of polystyrene is
a spacecraft is in a circular orbit of radius 33104 km arounda 191030 kg pulsar the magnetic field of the pulsar at
a tuning fork vibrating at 514 hzfalls from rest and accelerates at 980 ms2 how far below the point of release is the
a bicycle has wheels with adiameter of 0640 m it accelerates uniformly and the rate ofrotation of its wheels increases
masses 2m 4m and 3m are located at the points 1-1 2 0and 3 -1 respectively find the centre of mass of this
draw all stereoisomers of 2-bromo-4-methylpentane use bold and hashed wedges to indicate the
0085 nm photon collides with astationary electron after the collision the electron movesforward and the photon recoils
a the atmospheric pressure at the summit of mt mckinley is 6 x 102 mmhg on a certain day what is the pressure in atm
a mass attached to a spring experiences a displacement x 3cost 4sint what is the amplitude of the simple harmonic