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a double-convex lens is to be made of a transparent material by an index of refraction of 14 one surface is to have
a water tower is a familiar sight in many towns the purpose of such a tower is to provide storage capacity and to
if a scuba diver descends also quickly into the sea the internal pressure on all eardrum remains at atmospheric
a weather balloon is designed to expand to a maximum radius of 20 mat its working altitude where the air pressure is
a star ship moving toward earth with a speed of 078 c launches a shuttlecraft in the forward direction the shuttle
problem a weather balloon is designed to expand to a maximum radius of 20m at its working altitude where the air
the escape speed from the earth is 112104 ms so that a gas molecule travelling away from earth near the outer boundary
the human eye is mainly sensitive to 560 nm light what is the temperature of a black body that would radiate mainly
coherent light of wavelength 525 nm passes during two thin slits that are 0415 mm apart and then falls on a screen 750
the generator in a purely inductive ac circuit has an angular frequency of 120pi rads if deltavmax 132 v and l 0130 h
12 arthur and betty start walking toward each other when they are 100m apart arthur has a speed of 3ms and betty has a
the area enclosed with the wire loop in the figure below is reduced from 27 cm2 to 9 cm2 in a time interval of 009 s
a small rectangular loop of wire is located close to a long straight wire initially carrying a current i 91 a see
a chamber with a fixed volume of 10 m3 contains a monatomic gas at 300 x102 k the chamber is heated to a temperature of
the speed of an ion in a particle accelerator is doubled from0430c to 0860c the initial relativistic momentum of the
the mean lifetime of stationary muons is measured to be 23500 micros the mean lifetime of high-speed muons in a burst
assume a spacecraft of mass 28000 kg is accelerated to 043ca how much kinetic energy would it haveb if you utilized the
a jet plane passes over you at a height of 5110 m and a speed of mach 131 a discover the mach cone angle b how long
what phase difference among two otherwise identical travelling waves moving in the similar direction along a stretched
a 095-m aluminium bar is held with its length parallel to the east-west direction and dropped from a bridge now before
an archaeologist finds carbon-14 in a sample of 310g of material to be decaying at 107 counts per second a modern 100g
water is pumped into a storage tank from a well delivering 180 gallons of water in 280 seconds during a pipe of 100in2
at what speed does a clock move by respect to an observer that measures it to run at one-third the rate of an identical
three boys each of weight w 300 n make a log raft with lashing together logs of diameter d 15 cm and length l 1 m how
a simple u-tube contains a liquid of density rho1 a second liquid of density rho2 rho2 lt rho1 is poured into the right