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two capacitors are connected to a battery the battery voltageis v 80 v and the capacitancesare c1 200 mufand c2 400
a 145 g baseball is dropped from a tree 110 m above the grounda with what speed would it hit the ground if
a bullet of mass 10g strikes a ballistic pendulum of mass 20kg the center of mass of the pendulum rises a
an object has a kinetic energy of 265 j and a momentum of magnitude209 kgmiddotms find the speed and the mass of the
a wheel rotating about afixed axis through its center has a constant angular accelerationof 99 rads2 in a certain 70 s
the stems of bamboo can grow at a phenomenal rate of 03 mday under optimal conditions renewable resource given that the
a liquid is used to make a mercury-type barometer the barometer is intended for spacefaring astronauts at the surface
4 nh3 g 5 o2 g --gt 4no g 6 h2o g in the presence of excess oxygen what mass of nh3 is required to release 2175 kj of
in an rlc series circuit the phase angle between thecurrent and voltages is 30 degrees if the ac frequencydoubles what
benedicts reagent copper ii citrate a blue solution is used to identify reducing sugars in solution the copper is
in an rlc series circuit the capacitive reactance is 24omega if the ac frequency doubles what will be theresulting
what is the maximum number of electrons that can occupy each of the following quantum numbers a n2 ms - half b n5i3
a neutron collides elastically with a helium nucleusat restinitially whose mass is four times that of the neutron the
what is the final temperature reached by the addition of 114 grams of steam at 100degc to 681 grams of water at 25degc
the vapor pressures of pure liquids a and b are 532 and 403 kpa respectively at 35o c the total vapor pressure for a
objects with masses of 135 kg anda 435 kg are separated by 0430 ma find the net gravitational force exerted bythese
a compact disk player has just been turned off a disk decelerates uniformly from an initial angular velocity of 755
the motor in a refrigerator has a power of 300 w if the freezing compartment is at267 k and the outside air is at 300
a municipal wast water plant has phosphate levels of 26 ppm what is the concentration in unit of
a microwave transmitter emits electromagnetic waves of a singlewavelength the maximum electric field 122 km from the
when the following reaction is balanced in basic solution using the lowest possible whole number coefficients the
a 350-mh inductor has a reactanceof 150 komegaa what is the frequency of the ac current that passes through the
a person of mass m is standing at the edge of a large rotatingdisk the disk is rotating without friction and has
palladium has two stable oxidation states ii and iv why does this make it capable of being an oxidation