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a mass of 602 g of an element is known to contain 942 x 1023 atoms what is the atomic mass of the
very short pulses of high-intensity laser beams are used to repair detached portions of the retina of the eye the brief
ekapluto is an unknown planet that has two moons in circular orbits moon a mass 4x1020 kg orbital radius 2x108 m
a negative lens has a focal length of -24 cm an object is located 8 cm from the lensa how far from the lens is the
a weight of 50lb is hung from the end of a pressurized pipe the weight is applied at the centroid so there is no torque
calculate qwdelta udelta h if 165mol of an ideal gas with cvm 3r2 undergoes a reversible adiabatic expansion from an
a rock appears to lie just 38 cm below the surface of a smooth stream when viewed from above the surface of the stream
if an audiotape playing at a speed of 1875 in s -1 takes 450 min to play through one side what is the length of the
a length of wire has a radius of 300 times 10-3 m and a resistance of 0200 when the potential difference across the
assuming that the solute consists entirely of nacl over 90 is calculate the osmotic pressure of seawater at 20 degrees
a small coil has a cross section of 35 cm2 and consists of 12 turns of wire if the loop carries a current of 140 ma
a in a 1m solution of glycine at ph 90 what fraction of glycine has its amino group in the -nh3 formb how much 5m koh
for distance objects the angular size in degrees can be appropriate as 57deg wd where w is the width of the object and
the index of refraction for crown glass is 1512 at a wavelength of 660 nm red whereas its index of refraction is 1530
compute the number of electrons in a flake of pure gold valued at 022 assume that the price of gold is 14870troy oz 1
what is the maximum number of electrons that can be freed by a burst of light of 405 nm whose total energy is 100muj
a layer of air has a temperature t0 of 30 celsius at ground level and a lapse rate of 20 celsiuskm a parcel
incandescent white of a fireworks display caused by a formation of p4o10which occurs by the combustion of phosphorus
a patient recovering from surgery is being given fluid intravenously the fluid has a density of 1050 kgm3 and 999 10-4
a hot-air balloon is accelerating upward under the influence of two forces its weight and the buoyant force for
the value of kc for the reaction below is 0016 under a set of equilibrium conditions hi 010 m and h2 i2 calculate the
accomplished silver workers in india can pound silver into incredibly thin sheets as thin as 300 10-7 m about
element x has two natural isotopes x-6 6015amu and x-7 7016amu calculate the atomic mass of element x given the
a solid sphere rolls without slipping when it is released from rest at the top of a ramp that is inclined at 340
a one isotope of a metallic element has mass number 65 and 35 neutrons in the nucleus the cation derived from the