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a mercury barometer reads 750 mm on the roof of a building and 766 mm on the ground assuming a constant value of 129
1 enough of a monoprotic acid is dissolved in water to produce a 00126 m solution the ph of the resulting solution is
an airtight box has a removable lid of area 111e-2 m2 and negligible weight the box is taken up a mountain where the
water is supplied to an office building 440 m high through a pipe at ground levela find the minimum pressure in the
4 liters of an ideal gas at 200 k is heated to 400 k what is the gass new volume assuming the number of moles and
neutron stars consist only of neutrons and have unbelievably high densities a typical mass and radius for a neutron
a 210 ohm bulb is connected across the terminals of a 120v- battery having 450 ohm of internal resistance what
at the surface of jupiters moon io the acceleration due to gravity is 181 ms2 a if a piece of ice weighs 420n at the
explain why the diels-alder reaction of anthracene and maleic anhydride forms 9 10-dihydroanthracene-910-a
equal masses of wood and metal are heated to the same temperature and then tossed into two seperate bowls containing
a man is dragging a trunk up the loading ramp of a movers truck the ramp has a slope angle of 200degree and the man
a compass originally points north at this location the horizontal component of the earths magnetic field has a
1 a mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 306 cm if the spring
a duck is floating on a lake with 30 of its volume beneath the water what is the average density of the
consider an electron in a cyclotron motion with the velocity v 10000 times 105 ms perpendicular to the magnetic field
al possesses a specific heat of 090 j gc if 10 grams of al are heated from 30 to 40 degrees c and subsequently dropped
an electron passes through a point 391 cm from a long straight wire as it moves at 337 of the speed of light
suppose you are walking along collins avenue in south beach and decide to order a thick milkshake density 1200 kgm3
a 105-cm-long solenoid contains 855 turns and carries a current of 459 a what is the strength of the magnetic field at
calculate the true mass that it would have in the absence of air of a piece of aluminum whose apparent mass is 20000 kg
why would the densities of the aqueous and organic phases be rather close how is that
an object with total mass mtotal 158 kg is sitting at rest when it explodes into three pieces one piece with mass m1
vinegar must contain at least 4 acetic acid 067m a 50ml sample of commercial vinegar required 335ml of 0100m naoh to
the human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside
a charged particle moves in a uniform magnetic field of 0817 t with a period of 213 times 10-6 s find its