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a spinning flywheel has rotational inertia i 4039 kg middot m2 its angular velocity decreases from 202 rads to zero in
a robust first grader goes for swimming lessons three times a week and he enjoys it thoroughly during the first week of
an 820 kg-diver stands at the edge of a light 500-m diving board which is supported by two pillars 160 m apart as shown
how many gaseous molecules are produced by the detonation of 12 molecules of
the density of brass is 870 gcm3 what is the ratio between the two moments of inertia ibrass
a wire has a diameter of17 mm and length of 13 m if its resistance is 15 mohms what is the restivity of the metal from
given 4795 g of hot tea at 830 c what mass of ice at 0 c must be added to obtain iced tea at 105c the specific heat of
gamma rays with the very high energy of 22times1013 ev are occasionally observed from distant astrophysical sourceswhat
an atom in a solid vibrates at 13 thz with amplitude 13 pmfind the atoms maximum speedfind the atoms maximum
draw the product of the following reactions and indicate whether the product would be rs racemic or achirala
show with the aid of a form of the nernst equation that when using a ph sensitive glass electrode and reference
a 00182g sample of an unknown substance was dissolved in 2135 g of benzene the molality of this solution determined by
a w1 250 n bucket is lifted with an acceleration of a 220ms2 by a w2 115n uniform vertical chainpart a find the
define mole molar mass and avogadros what is the relationship to one another example and include an
a hockey puck with mass 0160kg is at rest on the horizontal frictionless surface of a rink a player applies a force of
heating a mixture of lumps and sulfur and zinc does not lead to reaction nearly as fast as heating a mixture of
a solenoid of length 56 cm and diameter 088 cm is wound with 167 turns per cm the current is decreasing at a rate of
1precipitates have very low solubilities in the solvent2precipitates are insoluble products that separate from the
the primary coil of a transformer has 232 turns the secondary coil has 1900 turns an alternating current is sent
a horizontally write the molecular orbital configuration for o2 2- o2 and o2 - then state the bond order for eachb
a 30 capacitor initially charged to 20 is discharged through a 19 resistor how long does it take to reduce the
a certain lightbulb has a tungsten filament with a resistance of 177 when at 200degc and 135 when hot assume the
the concentration of co2 in a soft drink bottled with a partial pressure of co2 of 65 atm over the liquid at 29degc is
write a balanced chemical reaction for the reduction of dissolved copper ion by zn s to copper
a circular wire loop of radius is 160 cm carries a current of 280 a it is placed so that the normal to its plane makes