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an excited iron fe nucleus mass 57u decays to its groundstate with the emission of a photon the energy availabel from
a projectile is fired up into the air at a speed of 119 ms at an angle of 23deg relative to the horizontal determine
three 10-c charges are equally spaced on a straight line the separation of each charge from its neighbor is 100m find
an organ pipe is 20 m long assume the pipe is cylindrical withone closed and one open enda what is the longest
a 150 mw laser puts out a narrow beam 200 mm indiameter what is the average rms value of the
an electron is released near a a point charge b an charged line of infinite length or c an infinite charged plane in
a storage tank has a diameter of 80 ft a height of 25 feet andcontains oil to a height of 15 ft the suction pumps
monochromatic light is incident on a grating that is 75 mmwide and ruled with 50000 lines the second-order maximum
a fire engine moving to the right at 40 ms sound its horn frequency 500 hz at the two vehicles shown in the figure the
a uniform rod rotates in a horizontal plane about a verticalaxis through one end the rod is 600 m long weighs 100 n
a piece of sandston with a bulk volume of 13 cc is contained ina 5-cc cell filled with helium at 760 mm hg temperature
when you walk with a cup of coffee diameter5 cm at just the right pace of about1 step per second the coffee builds up
a source emits sound uniformly in all directions a radial line isdrawn from this source on this line determine the
a water bed has dimensions of 183 m x 213 m x 0229 m the floorof the bedroom will tolerate an additional weight of no
kb for nh3 is 18 x 10-5 what is the ph of a 035 m aqueous solution of nh4cl at 250 degrees c nh4 aq lt----gtnh3aq h
a girl is sitting nearthe open window of a train that is moving at a velocity of1700 ms to the east the girlsuncle
using the information a 70 x 10 -3 aqueous solution of caoh2 at 250 degrees c has a ph of at equilibrium what is the
a solid sphere of weight 800 lb rolls up an incline with aninclination angle of 300 degrees at the bottom of theincline
europium is a lanthanide element found in parts per billion levels in natural waters it can be measured from the
a power plant having a carnot efficiency produces 1000 mw ofelectrical power from turbines that take in steam at 600 k
a car travels 20km at an average speed of 80kmhr and then stops for 15 mins to get fuel it then continues on the same