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if the wheel on a car has a diameter of 50 centimeter and the car has a mass of 85 kilogram and it rolls down a hill
compute the number of atp molecules acquired from the anaerobic conversion of each of the following sugars to lactatea
a simple pendulum has a length of 21 meter and is pulled a distance y 019 meter to one side and then released assume
explain why secondary and tertiary bromides should be heated to approximately 50oc in order to react with the sodium
the net force on a boat causes it to accelerate at155 ms2 the mass of the boat is 215 kilogram the same net force
explain a certain element has a melting point over 700 c and a density less than 200 gcm3 provide one possible identity
a 500-gram ball consists of a plastic spherical shell and a water-filled core the shell has an outside diameter equal
explain a silver block initially at 562 c is submerged into 1000 g of water at 244c in an insulated container the final
one mole of gas is at a pressure of 700 atm and a temp of 260 celsiusif the gas is heated at a constant volume until
explain a constant electric current deposits 0365g of silver metal in 12960 seconds from a solution of silver nitrate
a person with a mass of 65 kilogram skis down a frictionless hill that is 50 meter high at the bottom of the hill the
assume you are assigned two unknowns compound a and b one is a fat and the other is oil you dissolve a small amount of
a potters wheel a thick stone disk of radius 0500 meter and mass 125 kilogram is freely rotating at 500 revmin the
a solution was made by mixing 5000ml of 100 m hno3 and 10000 ml of 200 m hno3 compute the morality of the final
explain in preparing soap you dissolved 125 grams of sodium hydroxide in 32 ml of de-ionized water the product was a
a 71-kilogram person stands on a bathroom scale in an elevator find what does the scale read if the elevator is
two masses m1 20 kg and m2 24 kg are connected by a rope that hangs over a pulley the pulley is a uniform solid
a mono methyl-substituted 1-naphthol is permitted to couple with a diazonium prepared from a mono-substituted
a piece of wood density 012 gcm3 with a mass of 30 gram in air is affixed to a lead sinker with a mass of 400 gram
a ship displaces 300103 m3 of fresh water on a river when is passes out to sea find what volume of sea water will it
find out the lime and soda in mgl as caco3 to soften the subsequent water to a final hardness of less than 90 mgl as
a rock is thrown down a well that is 885 meter deep the splash is heard 120 sec later evaluate how deep is the
state the balanced net ionic equation for the reaction that takes place when 01 m solutions of potassium sulfide and
explain what are the major species of potassium hexacyano-ferrate iii when dissolved in water define what are the two
a wave travels along a stretched string the vertical distance from crest to trough for this wave is 15 centimeter and