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a 2000 kg satellite is in a circular orbit of radius 60000 km from the center of the earth determine the gravitational
the ph of a 300 gram solution of naoh is 1297 the density of the solution is 110 gml how many grams of naoh are in the
a baskerball player makes a jump shot the 0600 kg ball is released at a height of 20 m above the floor with a speed of
the importance of the hydroxyl radical in reacting with and eliminating many atmospheric pollutants however the
a 11-g piece of styrofoam carries a net charge of -085 c and floats above the center of a large horizontal sheet of
when connected to a 120 v source an electric heater is rated at 1200 w and a toaster at 60 102 w if both appliances are
calculate the ph at the equivalence point in titrating 0120 m solutions of each of the following with 70times10-2 m
copper has two naturally occuring isotopes 63cu isotopic mass 629396 amu and 65cu isotopic mass 649278 amu if copper
the temperature of 1000 ml of water was raised from 267 degrees celsius to 623 degrees celsius how much heat in
a distant galaxy is moving away from the earth with a speed that results in each wave- length received on the earth
according to the equation how many grams of sodium acetate will you need to add to 125 ml of 0100 m acetic acid to make
two pieces of optically flat glass n 150 touch at one edge and a separated by a thin stretched fiber at the opposite
the henrys law constant of co2 in water at 250c is 0167x109pa if the partial pressure of co2 over water is 1 bar
a parallel plate capacitor has a potential difference between the plates of 80 v if the charge on one of the plates of
find the uncertainty in position in m associated with a 650 kg automobile that is moving at 55 kmhr the uncertainty in
a 029 micro farad capacitor is connected across an ac generator that produces a peak voltage of 104 vpart a what is the
when you look at a clock on a space ship zooming by you at a fair fraction of the speed of light you see the clock on
hydrogen cyanide hcn is a poisonous gas that is used in gas chambers for the execution of those sentenced to death it
the wavelength of the laser beam used in a compact disc player is 780 nm suppose that a diffraction grating produces
why does the enolate of acetone attack the carbonyl of cinnamaldehyde rather than the carbonly of another acetone
how will density meltingand boiling point temprature hardness elastisityexpansionconductivity been infulance atomic
a parallel plate capacitor is make of two circular thin plates of radius 15 cm separated by 25 mm of a material with
a quantity of ideal gas requires 800 kj to raise the temperature of the gas by 100 k when the gas is maintained at
a generator produces 60 a of current at 120 v the voltage is usually stepped up to 4500 v by a transformer and
given that aprotic solvents are not practical for unimolecular processes little if any reaction occurs via a