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a wire 20mm in diameter and 4cmlong is connected to a 12v battery if the resistivity of the wire is 35 x 10-5 ohm-m
two narrow slits 0328 mm apart are illuminated by light of wavelength 600 nm the light falls on a screen 158 m away
a swimming pool 100m by 40m is filled with water to a depth of 30m at a temperature of 202 degrees celsiusif the energy
an electron moving with a velocity of 27 x106 ms in the positive x direction enters a region where there is a uniform
an acid solution was standardized against nahco3 which was prepared as 75 g nahco3 in 1 liter find the normality of the
a hemispherical observation dome is proposed for a new tourist oceanarium and the owners want it as large as possible
1- verify that the 2s wavefunction for hydrogen is normalized2- use the wavefunction for the 1s orbital to find the
show a reaction producing an alcohol a compound containing an -oh group -- this is again an addition reaction with an
a parallel plate capacitor has 25cm2 plates that are separated by 2mm in a vacuum if a potential difference of 100v is
what about formation of a monobrominated alkane -- from an alkene what sort of addition reaction see the list of
a uniform electric field exists between two parallel plates separated by 2cm if an electron of mass 91 e-31 kg is
do the same for halogenation of an alkene -- as review now we do not have hbr as a product explain why not -- in terms
estimate the spring constant for a trampoline assume a person is standing on the trampoline and oscillating up and down
a window in a house is rectangular with height 40 cm and width 30 cm the pressure inside the house is normal
in this experiment the concentration of quinine in tonic water was measured using fluorescence spectroscopy what
a buffer is prepared using the propionic acidpropionate acid-base pair for which the ratio of acid to base is 450a
in the drawing the head-up display is designed so that the distance between the digital readout device and virtual
a buffer is made up of 355 ml each of 0200 m nahco3 and 0134 m na2co3 assume that volumes are additive enough water is
in an experiment designed to measure the speed of light a laser is aimed at a mirror that is 530 km due north a
at 1 atm how many moles of co2 are released by raising the temperature of 1 liter of water from 20 c to 25 chenrys law
a large tree trunk is floating in the sea the density of the sea water is 1040 kgm3 the density of the trunk is 720
a meterstick lies along the optical axis of a convex mirror of focal length -48 cm with its nearest end 63 cm from the
an unknown compound contains only carbon hydrogen and oxygen combustion analysis of the compound gives mass percents of
a person weighs 784 n in air and has a body-fat percentage of 230 what is the overall density of this persons bodywhat
what are the boiling points and freezing point of a 297m solution of naphtalene in benzene the boiling point and