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a ski tow operates on a 150o slope of length 300 meter the rope moves at 120 kmh and provides power for 50 riders at
1 explain what is the boiling point of toluene at 600mmhg2 define what are the colors of cocl2 and cocl2 6h2o3 if a
assume that you have determined your edta molarity to be 0008628m now you have titrated your unknown water hardness
explain in the reaction of hydrogen peroxide with iron ii ion in acidic solution to form iron iii ion and water explain
explain how many electrons are transferred in the reaction of hydrogen peroxide with iron ii ion in acidic solution to
a 64 kilogram person is ice-skating due north with a velocity of 63 ms when he collides with a 43 kilogram boy the
state the mechanism for oxidation of an alcohol to a ketone using hypochlorous acid explain what are the by-products
find out the commutates of the a operators ddx and 1x b the position as well as momentum operators c the operators ddx
a ball is tossed from an upper-story window of a house the ball is given an initial velocity of 770 ms at an angle of
1 the rate of change of b is -0366 mmin explain what is the rate of reaction for the following reaction in mmin2a 5b
a thin uniformly charged spherical shell has a potential of 544 volt on its surface outside the sphere at a radial
a 30 millimeter diameter ball bearing has 30 times 109 excess electrons determine what is the ball bearing
if a gas sample absorbs 89 kj of heat as well as does 120 jj of work explain what is the change in its internal energy
a race vehicle driver must average 2040 kmhover the course of a time trial lasting ten laps if the first nine laps were
explain what is the energy of the photon that is emitted when the state of an electron changes from n 4 to n 2 in a
a uniform beam of mass 10 kilogram is supported only at its ends a workman stands on the beam one quarter of the way
a cube of unknown metal measures 18 in by 060in by 12 in and has a mass of 5667 explain what is the identity of the
a speeder is pulling directly away and increasing his distance from a police car that is moving at 25 ms with respect
a horizontal compass is located 214 centimeter due south from a straight vertical wire carrying a 313 amp current
a 120 volt battery is connected into a series circuit containing a 100 ohm resistor and a 200-h inductor find how long
a rifle is aimed horizontally at a target 50 meter away the bullet hits the target 22 centimeter below the aim pointa
explain what is the mass in grams of 2833 cubic centimeters of pure water at room temperature the density of pure water
a projectile mass 028 kilogram is fired at and embeds itself in a target mass 202 kilogram the target with the
as we have seen in the lab potassium metal reacts explosively with water by producing hydrogen gas and leaving
a 1200 kilogram car is traveling initially with a speed of 250 ms in an easterly direction crashes into the rear end of