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a sperical mirror is polished on both sides when the convex side is used as a mirror the magnification is 18 what is
a sailor strikes the side of his ship just below the waterline hehears the echo of the sound reflected from the ocean
a fragrance compound with molecular weight of 136 gmol is to be added to an aqueous solution to form aconsumer product
a 2000kg truck traveling at a speed of 6ms makes a 90 degree turn in a time of 4s and emerges from this turn with a
a flat circular coil with 25 turns and a radius of 5 cm lies in the plane of the paper a changing magnetic field is
you have one lens with a focal length f1432 cm if you want to produce an image of the bulb that is enlarged by a factor
an object is placed 14 cm to the left of a two lens combinationthe left hand lens has a focal length of 12 cm the right
a steady beam of alpha particles q 2etraveling with constant kinetic energy 18 mev carries a current of 030 microaa
a 01651-g sample of an unknown monoprotic acid was dissolved in 284 ml of water and titrated with 00634 m naoh solution
a 6kg object moving 2ms in the positive x direction has a one-dimensional elastic collision with a 4kg object moving
a tunnel of lenght l150 m height h72 m and width w58 m with a flat roof with a distance d 60 m beneath the ground the
a cylinder contains 250 g of helium at 200 k the external pressure is constant at 1 atm the temperature of the
a potential difference of 100 v willbe applied to a 400 m length of18-gauge copper wire diameter 00400 in calculate
how many grams of ammonium chloride pka924 58491 gmol should be added to 500 ml of 01060 m ammonia to make a buffer
a 3kg object moving in the positive x direction has a one-dimensional elastic collision with a 5kg object initially at
mgnh4po4 6h2o has a solubility of 0023 g100ml in water suppose a 502 g sample were washed with 20ml of water what
a flywheel 0800 m in diameter pivots on ahorizontal axis a rope is wrapped around the outside of theflywheel and a
strong sunshine bombards the earth with about 1kjm-2 in 1s calculate the maximum mass of pure ethanol that can be
a friend in a spaceship travels past you at a high speed he tellsyou that his ship is 22 m long and thatthe identical
a sodium chloride crystal in a beaker as water is added the salt dissolves into positive sodium ions and negative
superheated ammonia enters an insulated nozzle at 200c and 800kpa the flow through the low velocity inlet is at 0015kgs
a 75kg skier at the olympics starting from rest slid down a 50mramp inclined at 60 degrees and achieved a speed of 26ms
pi3br2 is a nonpolar molecule based on this information determine the -p-i bond angle the br-p-br bond angle and the
a 1000kg crate is pushed 12m up a ramp inclined at 15 degreesrelative to the vertical the speed of the crate