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the acceleration due to gravity on the moons surface is one-sixth that on earth an astronauts life support backpack
a certain brand of gasoline has a density of 067 gml if a car has a gas tank compasity of 16 gallons how many pounds of
a proton is released in a uniform electric field and it experiencesan electric force of 375x10-14 n toward the south
two blocks of masses 20 kg and 80 kg are connected togetherby a light string and rest on a frictionless level surface
a patient requires 50 mg of active drug given in pill form all of the drug is absorbed by the gut into the blood stream
construct a multistep synthetic route from ethylbenzene to 2-bromoethylbenzene 3 reagants
two forces act on a 600- kg object one of the forces is 100n if the object accelerates at 200 ms 2 what is the greatest
a substance with the empirical formula c2hcl has the molar mass of 18144 gmol find the molecular formula of this
an oceanliner is heading due north with a speed of 85 msrelative to the water a small sailboat is heading 45
calculate the vapor pressure lowering associated with the dissolving of 355 grams of sugar c12h22o12 mm343gmol in 400
use the clausius-clapeyron equation to calculate the temperature at which pure water would boil at a pressure of 400
a woman on a bridge 900 m high sees a raft floating at aconstant speed on the river below she drops a stone fromrest in
a hot air ballo0n is ascending straight up at a constant speedof 70 ms when the balloon is 120 m above the ground agun
the hard drive memory of desk-top computer used for word processing has a capacity of 40gbyte gb a byte is the amount
a fighterjet is launched from an aircraft carrier with the aidof its own engines and a steam powered catapult the
a bodybuilder configures a leg-press apparatus to a resistance of 230 lb about 1000n she pushes the weight to her full
romeo tosses a pebble at juliets window to wake her unfortunately he throws too large a pebble too fast justbefore
in determining the specific heat of a new metal alloy 150g ofthe substance is heated to 400c and then placed in a 200g
the shielding of electrons gives rise to an effective nuclear charge z eff which explains why boron is larger than
two blocks connected by a rod going down a 300 degree slope bigger mass 330kg is first and the smaller 165kg is
a source emits sound uniformly in all directions a radialline is drawn from this source on this line determine the
calculate the least velocity of projection required to give amissile a horizontal displacement of 500m if the angle
why would any line in the hydrogen spectrum between 250nm and 70nm belong to the balmer
it is desired to magnify reading materal by a factor of 25xwhen a book is placed 80 cm behind a lensa draw a ray
a 003 kg bullet hits asteel plate and melts and splatters on impact assuming thatthe bullet recieves 80 of the