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a 545 g block is pushed into a spring k485nm a distance of180cm when the ball is released what is itsvelocitythe
a 10 kg object is moving at 636 ms the object passes 3m over rough surface with a frictional force of 20 n the object
a plank 200 cm thick and 179 cm wide isfirmly attached to the railing of a ship by clamps so that the restof the board
the bullet penetrates into the block and stops due to itsfriction with the block the compound system of the block plus
in a circus performance a monkey on a sled is given an initialspeed of 38 ms up a 25deg incline thecombined mass of the
a tugboat exerts a constant force of 5090n on a ship moving at constant speed through a harbor how muchwork does the
calculate the mass of the deuteron given that the first line in the lyman series of h lies at 82 259098 cm-1 whereas
a sledge loaded with bricks has a total mass of 181 kg and is pulled at constant speed by a rope therope is inclined at
by how much does the chemical potential of benzene change when the pressure exerted on a sample is increased from
what is the maximum number of phases that can be in mutual equilibrium in a four component
bruce stands on a bank beside a pond grasps the end of a 200m long rope attached to a nearby tree and swings out to
a 100-g sample of a mixture of ch4 and c2h4 reacts with oxygen at 25 degrees celcius at 1 atm to produce co2 and h20
determine the concentration of a naoh solution if 2780ml of naoh is required to neutralize 1000 ml of a 100m h2so4
a point source of light is submerged 28 mbelow the surface of a lake and emits rays in all directions on the surface of
some students observe a low-boiling fraction around 40 degrees c during the simple distillation of producing t-amyl
in the preparation of t-amyl chloride from t-amyl alcohol via a unimolecular nucleophilic substitution reaction an
calculate the minimum concentration of mg 2 that must be added to 10 m naf in order to initiate a precipitate of
assume that you pipet twenty milliliters of 0350 m cacl2 into a fifty milliliter volumetric flask and add di water to
a gas sample has a volume of 750 ml at 4 atm and 37c if the pressure changes to 5 atm and the gas is heated to 68c what
the solubility of lead ii iodide is 0064 g 100 ml at 20 deg c what is the solubility product for lead ii
a 00539g sample of iron sulfate was dissolved in dilute hcl and treated with 10 bacl2 solution the baso4 precipitate
compare the amount of energy released by the complete combustion of 1 gallon of ethanol with the amount of energy
when 150 ml of 0400 m h are mixed with 200 ml of 0500 m oh- the final temperature of the solution is 265degc what was
determine the thickness needed to reduce the intensity of a beam of gamma rays to 14th of its initial intensity in gcm2
a cache of hebrew manuscripts known as dead sea scrolls was found in 1947 the activity of carbon-14 in the linen