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a cd radius 60cm is spinning freely with an angular velocity of 400 rpm when a bug drops onto the cd a distance of 45cm
a uniform horizontalboard 230m long is in static equilibrium it is supported 050m from its left end while a vertical
how many grams of ammonium chloride pka924 58491 gmol should be added to 500 ml of 01060 m ammonia to make a buffer
question 1 mathematical model of productiona company produces x amount tv sets the total cost of a company per day is
a light ray is incident on the outer surface of the vitreous humor at an angle of 420deg with the normal find the angle
one of james bonds adversaries is standing on a frozen lake there is no friction between his feet and the ice he
consider a cylinder piston system the diagram looks like a cup with a disc as the piston and it is resting on 2
the drawing shows a sulfur dioxide molecule it consists of twooxygen atoms and a sulfur atom a sulfur atom is twice as
an undersea research chamber is spherical with an external diameterof 490 m the mass of the chamber when occupied
we did a miniscale synthesis of 1-bromobutane from 1-butanol in lab and i have to write the reaction mechanisms in each
a disk-shaped merry-go-round of radius263 m and mass 135 kg rotates freely with an angualr speed of 621revs a 654 kg
a skier starts from rest at the top of a hill the skier coastsdown the hill and up a second hill as the drawing
a baseball player pitches a fastball toward home plate at aspeed of 47 ms the batter swings connects with the ball of
a 210-kg crate is being pushed across a horizontal floor by aforce p that makes an angle of 186deg below the horizontal
why was it necessary to add twice as much sulfuric acid if the reaction was between br- and n-butyl alchoholwhy was it
the left end of a long glass rod 800 rm cm in diameter with an index of refraction 160 isground to a concave
write the reaction mechanism for the synthesis of 1-bromobutane from 1-butanol by reaction with sulfuric acid and
a solid cube of mass 40kg and edge length 30mrests on a horizontal floor a person then pushes on the upper edge of the
write the structures of all the alkenes formed from the e2 elimination of hx dehydrohalogenation of the compounds using
a wheel is made of two solid metal disks glued together thecombined moment of inertia of the wheel is 452 kg-m2
most alpha particles fired at a gold foil pass through undeflected because thegold atoms unlike most other metal atoms
a wind turbine consists of three metal rods each of mass 98kg and length 68 m connected at their ends to a central axle
a man stands on a platform that is rotating without friction withan angular speed of 194 revs his arms are outstretched
benzoic acid 135gis reacte with oxygen in a constant volume calorimeter to form to form h2ol and co2g at 298 k the mass
the pickup coil in an electric guitar contains 10000 turns and hasa diameter of 16 mm when the pickupcoil is very close