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two point particles of charge q1 46 microc and q2 81 microc are found to have a potential energy of 43 j what is the
a golf ball is struck at ground level the speed of the golf ball as a function of the time is shown in the figure where
a spectrophotometer has a meter that gives a reading directly proportional to the amount of light reaching the detector
calculate the potential of a zinc electrode immersed in 00100m in znnh34 2 and 025m in nh3 b4 for znnh34 2 is
suppose electrons in a tv tube are accelerated through a potential difference of 200 104 v from the heated cathode
how many seconds would it take to deposit 0500 g of ni metal on an electrode by passing a 300 amp current through a
a 10cm x 10cm x 10cm box is between the plates of a parallel-plate capacitor with two faces of the box perpendicular to
a boat can travel 15 kmhr in still water you want to cross a river 1 km wide by traveling east to west the river is
how many grams of cobalt metal can be formed if a 200 amp current is passed through a solution of co2 for a period of
what is the minimum voltage needed to produce a reaction in the electrolysis of copperii sulfate using inert electrodes
a diver springs upward from a board that is 295 meters above the water at the instant she contacts the water her speed
consider the titration of 300 of 0035 with 0030 calculate the after the following volumes of titrant have been
a charge q is located at the origin while an identical charge is located on the x axis at x 076 m a third charge of 2q
berylliumii forms a complex with acetylacetone 1662gmol calculate the molar absorptivity of the complex given that a
the highest barrier that a projectile can clear is 145 m when the projectile is launched at an angle of 130deg above
an organ pipe is 20m longassume the pipe is cylindrical with one closed and one open end1 what is the longest
which of the following will change the equilibrium constant a changing temperature b nothing changes the value of keq
two point charges q1 410 nc and q2 260 nc are separated by 450 cma what is the electric potential at a point midway
the rate of a chemical reaction is found to double when the temperature is raised from 298k to 308k determine the
a 85uc charge is at x1 16cm y1 70cm and a -34uc charge is at x2 41cm y2 10cm find the force on the negative charge
the electric field in a certain region is given eaxi hat where a 48ncm and x is the position in meters find the volume
nuclides below the valley of stability can become more stable through which of the following processesa beta emissionb
a spherical shell of radius 15cm carries 48uc distributed uniformly over its surface at the center of the shell is a
in which of the following aqueous solutions would you expect agcl to have the lowest solubility a pure h2o b 0020 m
a 36cm -diameter isolated metal sphere carries a net charge of 090uca what is the potential at the spheres surfaceb if