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if n is 25mm the focal length of a certain microscopes eyepiece is 125 mm and the magnification of its objective lens
the escape velocity of a bullet from the surface of planet y is 15990 ms calculate the escape velocity from the surface
when the stopper is removed from a partly filled bottle containing solid and liquid acetic acid at 167degrees c a
when light of wavelength 378 nm falls on a potassium surface electrons are emitted that have a maximum kinetic energy
a ladder of length l 25 m and mass m 150 kg rests on a floor with coefficient of static friction s 057 assume the
consider an element z that has two naturally occurring isotopes with the folowing percent abundances the isotope with a
what type of lenses do i use to build a simple two lens opera glass which lens is closest to the stage in such
an ideal gas in sealed container has an inital volume of 230 l at constant pressure it is cooled to 1500 c where its
the length of a simple pendulum is 070 m and the mass of the particle the bob at the end of the cable is 024 kg the
the absorption for an internal alkyne will be more intense than the absorption for a terminal
a block with mass m 200 kg is placed against a spring on a frictionless incline with angle 34deg the block is not
a student prepared a stock solution of the assigned compound by weighing 2345 grams of cuno32 6h20 and diluting it with
a string with a length of 05 meters is vibrating with a frequency of 100 hz and it forms a standing wave at the
sulfur trioxide dissolves in water producing h2so4 how much sulfuric acid can be produced from 100 ml of water d100gml
if the coefficient of static friction between your coffee cup and the horizontal dashboard of your car is micros 0800
suppose that you are traveling on board a spacecraft that is moving with respect to the earth at a speed of 0976c you
the combustion of 405 mg of a compound containing c h and o produces 1100 mg of co2 and 225 mg of h20 the molar mass of
the equation of a transverse wave traveling along a very long string is y 720 sin00782x 362t where x and y are
a star is estimated to have a mass of 2x10 to 36 kg assuming it to be a sphere of average radius 70x 10 to 5 km
in the figure a string tied to a sinusoidal oscillator at p and running over a support at q is stretched by a block of
the rate constant for the decomposition of ch3cho is 00105 dm3mol at 700 k if the activation energy for this reaction
a nylon guitar string has a linear density of 556 gm and is under a tension of 161 n the fixed supports are d 744 cm
mars rotates about its axis once every 88 642 s a spacecraft comes into the solar system and heads directly toward mars
how many grams of sodium hydrogen phosphate and sodium dihydrogen phosphate are needed to make 300 ml of a 012 m
a 100 kg mass starts at the top of an incline that is 80 m long and makes an angle of 400 above the horizontal as it