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a rod of mass 0720 kg and radius 600 cm rests on two parallel rails see figure below that are d 120 cm apart and l
a solar collector is placed in direct sunlight where it absorbs energy at the rate of 864 js for each square meter of
you hear the sonic boom of a high speed jet plane exactly 290 s after it passes directly overhead in level flight at
a spring is hung from a ceiling and an object attached to its lower end stretches the spring by a distance d 630 cm
although the evidence is weak there has been concern in recent years over possible health effects from the magnetic
a wire carries a steady current of 220 a a straight section of the wire is 0750 m long and lies along the x axis within
a physics student wants to build a spring gun that when aimed horizontally will give a 35 g ball an initial
for a particular scientific experiment it is important to be completely isolated from any magnetic field including the
the two wires of length 2 m are 3 mm apart and carry a current of 9 a dc calculate the force between these
a proton travels with a speed of 490 106 ms at an angle of 55deg with the direction of a magnetic field of magnitude
determine the image distance for an object d0 5100 cm from a diverging lens of radius of curvature 4080 cm and index
a car heading north collides at an intersection with a truck heading east if they lock together and travel at 28 ms at
light with a wavelength of 650 nm passes through a slit 756 microm wide and falls on a screen 185 m away find the
a two-slit experiment with slits separated by 43 10-4 m produces a second-order maximum at an angle of 00650dega find
a calculate the absolute pressure at an ocean depth of 75 m assume the density of sea water is 1 028 kgm3 and the air
one of the mooring lines of uss boxer lhd-4 is under a tension of 4500 n and is set into resonance by the vibration of
the g string of a guitar which should be 392 hz is playing flat at 380 hz what percentage change in the tension of the
a bar magnet is oriented with its magnetic dipole moment at 535deg to the direction of a 00629-t magnetic field causing
two long parallel wires carry currents of 283 a and 541 a the magnitude of the force per unit lengh acting on each wire
sulfuric acid reacts with sodium chloride to form aqueous sodium sulfate and hydrogen chloride gas how many ml of gas
2which of the following statements is true a gas particles are attracted to one another and therefore behave as grouped
fill two rubber balloons with air suspend both of them from the same point and let them hang down on strings of equal
a reaction is carried out at 20 degree celcius what is the symbol that correspond with
what is the pressure in atmospheres of 250g of nh3 gas in a 300l container at 250oc
consider the following three reactions 1 h2g cl2g 2hclg 2 cs h2og cog h2g 3 fe3o4s 4h2g 3fes 4h2og for which of