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a beam of electrons traveling with speed 08 x108 ms passes through a slit of width 10-5 m because of the uncertainty in
light of wavelength 530 102 nm passes through a slit of width 0230 mma find the width of the central maximum on a
suppose a reaction has the equilibrium constant k 17 x 10-8 at a particular temperature will there be a large or small
the binding energy of an electron in a crystal lattice is 12 x10-4 ev use the uncertainty relation to estimate the size
write the reactions for which the enthalpy change will be for solid aluminum oxide include
two 120kg lead spheres are suspended from 170m -long massless cables the tops of the cables have been carefully
while the microphone is inside the tube it may be at the center or close to the wall how would it affect the
a if 323 grams of zinc oxide and 72 grams of water combine to form zinc hydroxide how many grams of zinc hydroxide must
monochromatic light of wavelength 683 nm passes through a fast shutter that opens for 10-10 s the light the emerges
a can of sardines is made to move along an x axis from x 046 m to x 120 m by a force with a magnitude given by f
a pilot sets up a simple accelerometer in the cockpit of his plane by hanging a small pendulum flying in a straight
two skaters a and b of equal mass are moving in clockwise uniform circular motion on the ice their motions have equal
the vapor pressure of ccl3f at 300 k is 856 torr if 115 g of ccl3f is enclosed in a 12 -l container will any liquid be
ironman is chasing a bad guy who is running at 72 ms when he is 143m behind the bad guy he turns on his rocket boots so
a model rocket is fired vertically from rest it has acceleration of 142ms2 after 15s its fuel exhausted and its only
the density of a human body can be approximated by the density of water which is equal to 1000 x 103 kgm3 what volume
a ball is thrown from a point 10m above the ground the initial velocity is 68ms at an angle of 30 degrees above the
a rotating fan completes 1200 revolutions every minute consider a point on the tip of a blade at a radius of 20 ma
the ultraviolet excimer laser used in the prk technique see section 309 has a wavelength of 193 nm a carbon dioxide
you throw a ball torwards a wall at speed 21 ms and an angle of 40 degrees above the horizontal the wall is 220 m from
a car approaches the top of a hill that is shaped like a vertical circle with a radius of 60m what is the fastest speed
a 10 cm x 10 cm x 10 cm cube of aluminum 27 gcm3 132x10-11 pa-1 at 20oc is compressed isothermally the pressure
the density of an unknown metal is 123 gcm3 and its atomic radius is 0134 nm it has a face-centered cubic lattice find
given a charged insulating sphere with radius r and charge density p rho calculate the electric potential inside and