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the angle of refraction of a ray of light traveling through a piece of fused glass quartz is 41deg find the angle of
calculate equilibrium constant if delta gf for nh3aq is -2650 kjmole for h2ol is 23713 kjmolefor nh4aq is -7931 kjmol
a centrifuge is a common laboratory instrument that separates components of differing densities in solution this is
determine the density and atomic radius of tungsten w if it crystallizes in a face centered cubic arrangement with cell
three identical uniform meter sticks are placed on the floor the first stick lies along the y axis from y 0320 m to y
a woman holds a tube of lipstick 35 cm from a spherical mirror and notices that the image of the tube is upright and
iodine-131 is used to treat thyroid cancer it decays by betaemission and has a half-life of 81 daysa write a balanced
a 1 m long wire fixed at both ends is supporting a standing wave with 3 anti-nodes and a frequency of 500 hz if the
blood can carry excess heat from the interior to the surface of the body where the heat is transferred to the outside
a 48 toroidal inductor has 110 identical equally spaced coils if it carries an 120 current how much magnetic flux
by what percentage does the density of a bowling ball change assuming it is a uniform sphere when it is taken from room
a solid spherical ball of mass 132 kg and radius 008 m rolls along a smooth level surface with a speed of 2 ms the ball
a toroidal solenoid has a mean radius of 140 and a cross-sectional area of 340 and is wound uniformly with 120 turns a
a 570-kg ball is dropped from a height of 120m above one end of a uniform bar that pivots at its center the bar has
a mass of 120g of silver is plated from a silver nitrate solution in 125 hours calculate a couloumbs b faradays and c
if a harmonic object has a displacement that is described by x 25m sin 10 t calculate the maximum velocity of this
an airplane propeller is 278m in length from tip to tip and has a mass of 117kg when the airplanes engine is first
if a simple pendulum with length 15m makes 72 oscillations in 180 s what is the acceleration of gravity at its
when naphthalene is sulfonated with h2so4 two sulfonic acid products are formed draw structural formulas for each
a bob of mass m is suspended from a string of length l forming a pendulum the period of this pendulum is 26 s if the
a 010kg block oscillates back and forth along a straight line on a frictionless horizontal surface its displacement
when na2so3 is dissolved in water resulting solution is basic write a chemical equation to explain qualitatively why
a small birds wings can undergo a maximum displacement amplitude of 51 cm distance from the tip of the wing to the
a solid wood door 100 m wide and 200 m high is hinged along one side and has a total mass of 440kg initially open and