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a 200 meter long horizontal plank whose mass is 300 kg is placed so that the very end the right end rests on a
a compound contains only c h and n combustion of 315 mg of the compound produces 302 mg co2 and 370 mg h2o what is the
the engine in a 1500kg car has a maximum power output of 200hp but 25 of the power is lost before reaching the drive
a 45 kg sample of water absorbs 345kj of heat if the water was initially at 221c what is its final
a 021-kg coffee mug is made from a material that has a specific heat capacity of 900 jkg middot cdeg and contains 036
a block of glass with n 166 is submerged in liquid for a ray striking the glass with incidence angle 330 degrees the
a rectangular block of wood m 219 kg floats on a calm fresh water lake with do 227 cm below the water when a dog
since 1976 brazil has made it mandatory that all automobiles run on a blend of 25 ethanol and 75 hydrocarbon based
a steam power plant has at the turbine entrance saturated vapor with a pressure of 40 bar the turbine exit is at 50
a fireman 540 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of
reaction a b proceeds with h - 25 kjtimesmol-1 s - 100 jtimesk-1timesmol-1 substance a was taken at the initial
a cylinder of gas with a movable piston contains 10 x 10-3 m3 of helium at -1000 degrees c the piston area is 48 cm2
an ac source of maximum voltage v0 30 v is connected to a resistor r 50 o an inductor l 06 h and a capacitor c 20
if the density of ethanol at room temperature is 0789gml calculate how many grams of ethanol would be required to fill
given an rlc circuit where its resistance capacitance and inductive reactance are all the same 10 ohms is this circuit
naturally occuring iodine has an atomic mass of 1269045 a 123849 gram sample of naturally occurring iodine is
a square coil of wire with a single turn is placed perpendicular in a uniform 10t magnetic field each side has a length
a student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 220 ms the cliff
laser atomic fluorescence excitation and emission spectra of na in an air acetylene flame are shown in the excitation
a person holds a ladder horizontally at its center treating the ladder as a uniform rod of length 275 m and mass 800 kg
a disk-shaped merry-go-round of radius 302 m and mass 169 kg rotates freely with an angular speed of 0692 revs a 505-kg
please solve by using dimensional analysis and step by step set it up in brackets and solve it in a straight rowif you
the g string on a violin has a fundamental frequency of 196 hz it is 320 cm long and has a mass of 0500 g while this
if an inflated balloon is placed in the freezer as the temperature of the gas of the balloon decrease the speed of the