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the earths magnetic field is approximately 30 microtesla an ac transmission wire carries a current of 10 a rmsa what is
a thin spherical shell made of plastic carries a uniformly distributed negative charge -7e-10 coulombs indicated as -q1
now consider an atom consisting of two electrons each of charge -e embedded in a sphere of charge 2e and radius r in
three point charges are arranged along the x axis charge q1 -450nc is located at x25m and charge q2300nc is at x-0330m
consider a model of a hydrogen atom in which an electron is in a circular orbit of radius 579times1011 around a
what would the todays world have been if theres never the king henry viiis reformationpresentation of the impact of the
a 25 kg block of wood sits on a table a 30 g bullet fired horizontally at a speed of 540 ms goes completely through
consider reactions of the same stoichiometry that are characterized by the following kc values which reaction will have
an automobile of mass 1500 kg moving at 25 ms colides with a truck of mass 4500 kg at rest this time the car and the
when an ac generator is connected across a 120 resistor the rms current in the resistor is 800a find thea rms voltage
1 equation and step-wise draw in the mechanism of the acid-catalyzed hydration of 2-methyl-1-pentene2 step-wise draw in
visible light passes through a diffraction grating that has 900 slits per centimeter and the interference pattern is
calculate the molar solubility of feoh2 in a buffer solution where the ph has been fixed at the indicated values ksp
during a solar eclipse the moon earth and sun all lie on the same line with the moon between earth and the sun data
methyl-m-nitrobenzoate is an excellent identification derivative of methyl benzoate what are the properties of
a human eyeball is about 21 long and the pupil has a maximum diameter of about 75 what is the speed of this lens
00850 m in pyridine c5h5n and 00560 m in pyridinium chloride c5h5nhcl the kb for pyradine is
why is methyl m-nitrobenzoate formed in the nitration of methyl benzoate instead of o- and p- what product would you
an astronaut constructs a pendulum with a length of 1 meter on a new planet if the period is 4 second what is the
the first ionization energy of na is 4959 kjmol what is the longest wavelength of light that could remove an electron
a flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg designed to rotate
what is the coefficient for zn when the equation below is balanced with the smallest whole number coefficientszn haq
a bungee jumper undergoes simple harmonic motion with amplitude 64 m and frequency 0145 hz assume the bungee jumper
a sprinter running the 100 m dash has a constant acceleration of 28 ms2 for the first 41 seconds of the race when he