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two very small spheres are initially neutral and separated by a distance of 060 m suppose that 82 x 1013 electrons are
a bullet is fired through a board 90 cm thick in such a way that the bullets line of motion is perpendicular to the
suppose that you loft the ball with an initial speed of v 162 ms at an angle of 494deg above the horizontal at this
an airplane takes off and flies 225 km on a course of 25 degrees north of west and then changes direction and flies 135
a charge of -29 microc is fixed in place from a horizontal distance of 00275 m a particle of mass 425 10-3 kg and
two charges one twice as large as the other are located 15 apart and experience a repulsive force of 95what is the
a car moves horizontally with a constant acceleration of 3 ms2 a ball is suspended by a string from the ceiling of the
the absorbance of a solution of nicl2 of unknown concentration is found to be 0388 what is the concentration of this
two protons are maintained at a separation of 947 nm calculate the electric potential due to the two particles at the
the time rate of pressure change in a container sue to the effusion of a gas out of a pinhole in the walls of the
calculate the relative amounts of 1-chloropropane and 2-chloropane obtained the radical chlorination of
the best reagent or sequence of reagents for carrying out transformation a and transformation b are and respectivelyi
a sample of magnesium sulfate heptahydrate having a mass of 735 g is dried completely how many grams of dry product are
eight open-chain isomeric alcohols have the formula c5h11oha draw the structural formula and write the iupac name for
an airplane pilot wishes to fly due west a wind of 700 kmh is blowing toward the southpart a if the airspeed of the
a hydrochloric acid solution is standardized using 0500g of sodium carbonate na2co3 find the molarity of the acid if
a reaction involving 93 mg of aniline 122 mg of p-hydroxybenzaldehyde 2 ml of absolute alcohol and a stir bar are
a girl is standing at the edge of a cliff 145 m above the ground she reaches out over the edge of the cliff and throws
each plate of a parallel-plate capacitor is a square of side 445 cm and the plates are separated by 0545 mm the
the potential difference between the plates of a capacitor is 232 v midway between the plates a proton and an electron
the molar mass of cellulose is approximately 60 x 105 gmol and the molar mass of a soluble starch is on the order of 40
an empty parallel plate capacitor is connected between the terminals of a 944-v battery and charges up the capacitor is
what is the solubility of caf2 in a solution that has a equilibrium concentration of 01m edta ksp caf2 39 x 10-11
suppose helium nuclei has exactly the same mass as adding two single protons and neutrons the suns luminosity would bea
an aluminum rod is 215 cm long at 20degc and has a mass of 350 g if 14000 j of energy is added to the rod by heat what