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questionwhen the constitution was completed in the summer of 1787 approval by representatives from nine of the thirteen
a harvest mouse can detect sounds as quiet as -10 suppose you are sitting in a field on a very quiet day while a
a block with mass m attached to a horizontal spring with force constant k is moving with simple harmonic motion having
the number of moles of c8h4o4-2 at the equalalence point and the total volume at that point to calculate the ph for
a block is pushed up a 20 degree friction-less incline with an initial speed 120 msa how high up the plane does the
a light-dimmer circuit the intensity of a lightbulb with a resistance of 140 ohms is controlled by connecting it in
the point of the needle of a sewing machine moves in shm along the x-axis with a frequency of 25 hz at t0 its position
draw the structure of two geometric isomers with the empirical formula c5h8o that gives a positive iodoform
you have isolated compound x from panda pancreas you started a whole pancreas and finished up with 2 ml of a pure
a 220-kg object attached to a spring moves without friction b 0 and is driven by an external force given by the
if ka for an acid ha is 000177 what is the ph at one half the equivalence point for a titration of 5000 ml of 0100 m ha
two charged particles q1 250times103 c and q2 3850e-3 c are separated by a distance of 500 cma what is the electric
a an l-r-c circuit operating at 60 hz has an inductor with an inductance of 153x10-3 h a capacitance of 167x10-2 f and
a spring with k 400 nm is at the base of a frictionless 300deg inclined plane a 050-kg object is pressed against the
2 moles of nitrogen gas 4 moles of oxygen gas 1 mole of chlorine gas are kept at a temperature of 300 k in a 40 l
a 19-kg chandelier is suspended from the ceiling by four vertical steel wires each wire has an unloaded length of 4 m
a mixture of 0100 mol of co2 0050 mol of h2 and 0100 mol of h2o is placed in a 100 l vessel and reacts according to the
in a certain experiment a sample of helium in a vacuum system was compressed at 25 degrees c from a volume of 2000 ml
a 31 kg block slides down a frictionless ramp as shown in the figure the top of the ramp is 16 m above the ground the
phosphorus-32 decays by beta emission to form sulfur-32 how many half-lives have passed in the reaction shown
a car with mass of 10000 kg accelerates from 0 ms to 400 ms in 110 s ignore air resistance the engine has a 22
a 746-kg bungee jumper jumps from a bridge she is tied to a bungee cord whose unstretched length is 118 m and falls a
two unknowns x and y both having the molecular formula c4h8o give the following results with four chemical tests
the concentration of pb2 in a solution saturated with pbbr2s is 214x10-2 m calculate ksp for