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a train moving at 285 ms passes a platform sounding a horn with a frequency of 1250 hertz obtain the frequency heard by
a string vibrates in a fundamental mode at 288 hz determine the first four harmonicsa loud band may easily produce a
a carry out an elimination experiment using alcoholic pottasium hydroxide on 2-bromo-2-methylbutane define how the
the resolution of the eye is eventually limited by the pupil diameter what is the smallest diameter spot the eye can
a 420 centimeter long tube is closed at one end and resonates at a fundamental frequency of 1960 hz evaluate the speed
a pendulum has a period of 180 sec on the moon calculate what is its lengthan fm radio station has a frequency of 901
a 0550 kilogram mass is suspended from a spring a force of 100 n stretches it an additional 400 millimeter calculate
state the structure of the principle product from the reaction of 1-bromopropane with sodium ethoxide in
find the elongation in a steel wire of length 2 meter and diameter of 958 x10-2 centimeter if a mass of 800 kilogram is
compute the osmotic pressure in torr of a solution containing 1875 mg of hemoglobin in 150 ml of solution at 250oc if
ethanol can be prepared from the fermentation of crops and has been used as a fuel additive to gasoline explain what is
the average density of the material in intergalactic space is approximately 25 x 10-27 kgm3 determine the volume of a
a 10 kilogram block of southern pine 30 centimeter on a side is held submerged under water find what force is required
a brick has a mass of 250 gram in aira calculate the volume of the brick andb calculate the apparent mass of the brick
compute the change in temperature for 450 g of cacl2 dissolved in 900ml of h2o presume that the calorimeter absorbs no
a hydraulic jack has a pump piston of diameter 0660 centimeter and a load piston of 330 centimeter obtain the load
a long cylindrical charge distribution of radius a 50 cm has a uniform charge density of rho nbsp -36mucm3nbsp
the radio frequency used internationally for distress calls is 2182 khz determine the corresponding wavelength in
state structures for the a variety of aldol condensation products you expect from the aldol self-condensation of
a crow flies in two consecutive displacements to a point that is 80mto the west its first displacement is 80m in a
objects with masses of 170 kilogram and a 470 kilogram are separated by 0420 metera obtain the net gravitational force
the ends of a thin bar are maintained at dissimilar temperatures the temperature of the cooler end is 13degc as the
if the scalar product of two vectors a and c is equal to -35 if a20 and the angle between the two vectors when they are
a wheel rotates with a fix angular acceleration of 380 rads2 suppose the angular speed of the wheel is 170 radsa
demonstrate the concepts pertinent to this problem a 160-cm-high object is situated 206 cm in front of a concave mirror