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a compound microscope has a barrel whose length is 150 cm and an eyepiece whose focal length is 15 cm the viewer has a
a hollow sphere has a mass of m 800 kg and a radius of r 600 cm determine the spheres rotational inertia about an
an object is shot horizontally with an initial speed of vo meters per second if it can fall a vertical distance h
a 070 kg iron horseshoe is taken from a forge at 900degc and dropped into 300 kg of water at 130degc assuming that no
a particular heat engine has a useful power output of 440 kw and an efficiency of 300 the engine expels 7200 j of
if a doctor recommends medications in addition to therapy which theoretical model would this
a 755-loop square armature coil with a side of 85 cm rotates at 650 revs in a uniform magnetic field of strength 075 t
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a special kind of light bulb emits monochromatic light of wavelength 652 nm electrical energy is supplied to it at the
water is supplied to an office building 240 m high through a pipe at ground levela find the minimum pressure in the
enright is not a very conscientious individual he often sleeps late in the morning and on mornings when he oversleeps
answer this question several reputable institutions have determined that marijuana may have legitimate medical use
what is the potential at the center of a square with point charges 1 2 2 3 arranged at its corners and side length s
1 what is the rotational analog to newtons second law fma2 a point mass is rotating about a rotation axis you increase
write an essay 1000-1250 words in which you make a statement and provide support for whether the mind and brain are
a hair dryer is rated at 1700 w when connected to a 120 v source find the resistance of the hair dryer as well as the
a geological sample is found to have a pb-206u-238 mass ratio of 0773100 assuming there was no pb-206 present when the
a circuit containing a 76 h inductor has an alternating current supplied to it if irms is 56 a and vp is 28 v find the
the freezing point of ethanol c2h5oh is -1146 c the molal freezing point depression constant for ethanol is 200cm what
an object with moment of inertia i1 is rotating freely with no torque applied with angular velocity w another object of
the strong acid soultion of hcl has ph of 122 what is the concentration of h cl- and
the density of ice is 917 kgm3 and the density of sea water is 1025 kgm3 a swimming polar bear climbs onto a piece of
a 500ml sample of 00240 m nh3aq is titrated with aqueous hcl what is the ph after the addition of 150ml of 00600 m
for the reaction 2no cl2 2nocl if the change in molarity is cl2 is 241 x 10 -2 m in one second how do you find the
light propagating in the glass n1 165 wall of an aquarium tank strikes the interior edge of the wall with incidence