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an ideal monatomic gas consisting of 273 mol of volume00805 m3 expands adiabatically theinitial and final temperatures
a ceiling fan is turned on and reaches an angular speed of120 rpm in 20 seconds it is turned off and comes to a stop in
a body moves with shm and passes two points a and b 56cmapartwith the same velocityhaving occupied 2s in passing from a
ethyl alcohol c2h5oh has a density of806 kgm3 and a volume of 134 10-3m3a determine the mass in kg of a molecule of
a radar has a resolving power of 30 m at a range of 10km what is the minimum width of its antenna if its operating
two identical tubes are open at the top and are connected at the bottom via a tube of negligible volume and a valve
consider an idealgas at 27 degrees c and100 atm pressure imaginethe molecules to be on average uniformly spaced with
a 75-kg athlete does a single-hand handstand if the area of the hand in contact with the floor is 125 cm2 what pressure
an object is dropped from rest from aheight of 40 million meters above surface of the earth if there isno air
a marine radar operates at a wavelength of 32cm and a powerof 70kw per pulsea what is the frequency of the radar wavesb
a total of 31 bright and 31 dark newtons rings not countingthe dark spot at the center are observed when 550 nm light
a sample of 755 moles of nitrogen gas is maintained at aconstant pressure of 100 atm in a flexible containerthe gas is
consider the following two-step process heat is allowed toflow out of an ideal gas at constant volume so that its
a small circular hole 690 mmdiameter is cut in the side of a large water tank 190 m below the water level in the tank
in the van der waals equation of state the constant brepresents the amount of unavailable volume occupied by
a hospital patient receives a quick 500-cc blood transfusion through a needle with a length of 50 cm and an inner
a glass camera lens with an index of 155 is to be coatedwith a cryolite file n130 to decrease the reflection ofnormally
two trains are traveling toward each other at 310 ms relative to the ground one train isblowing a whistle at 1230 hza
a 180-kg monkey wrench is pivoted 0250 m from its center ofmass and allowed to swing as a physical pendulum the
an archeological specimen containing 97 g of carbon has an activity of 12 bq how old in years is the
on planet bohrod the acceleration due to gravity is the sameas that on earth but there is also a strong downward
the source of a sound wave has a power of250 microw assume it is a pointsourcea what is the intensity 700 m awaywm2b
an electron and a positron each have a mass of911 10-31 kg they collide and both vanish with onlyelectromagnetic
a surface whose work function is 25 ev is illuminated by alight whose wavelength is 152 nm what is the maximum velocity
the planet saturn has a satellite titan which travels in anorbit of radius 122e9m with a period of 1595 days calculate