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a spherical gaussian surface surrounds an electric dipole the net enclosed charge is zero which is true could you also
a large artery has a diameter of 7 mm this artery divides into two identical smaller arteries the velocity of the blood
the diameter of a blood vessel narrows by 70 due to the presence of a plaque on the blood vessel wallsby what factor
a small plastic pipe carries water horizontally at a speed of 10 m s-1 a section of the pipe bulges out so that the
a sphere of mass m and radius r is attached to the rim of a disk mass m radius r the disk is rotating counter-clockwise
speeding ticket you are driving your car uphill along a straight road suddenly you see a car run a red light and enter
a hydroelectric power plant draws water from a lake who surface is 55 m above the turbines it draws the water through
a sample of an unknown substance has a mass of 895 g if 3452 j of heat are required to heat the substance from 285 k to
a girl throws a tennis ball upward with an initial velocity of 4 ms what is the maximum displacement of the
a copper rod k 397 wm oc of length 50 cm and diameter 2 cm is placed end to end with an iron rod k 795 wmoc of length
a 2 cm radius marble ie a solid sphere starts from rest and rolls down a 20 m long ramp inclined at 30 without slipping
a spectator seated in the left field stands is watching a baseball player who is 188 m tall and is 82 m away on a tv
a specific ultrasonic application used for metallurgy has a frequency of 20000 hz using the speed of sound in steel
an electric field is given by ex 35x3 kncfind the potential difference between the points on the x axis at x 1 m and
a specific sonar application used for underwater has a frequency of 10000 hz using the speed of sound in water 1500
a spaceship in outer space has a doughnut shape with 440-m outer radius the inhabitants stand with their heads toward
1 a person who is far-sighted has a near point of 45 cm the distance between the lens of the persons eye and their
a spaceship is detected traveling at 08c with respect to earth it sends out two flashes of light 10 minutes apart we
determine the moment of inertia of a long bar of length l rotating about an perpendicular to the bar at 1 4 of its
the space shuttle prepares to depart the surface of the earth where the atmospheric pressure is 1 atmosphere when the
standing waves a hollow tube of length l open at both ends as shown at right is held in midair a tuning fork with a
a space ship leaves earth with a total mass including its fuel mi its fuel provides the energy to accelerates the ship
incident x-rays in a compton scattering experiment have a wavelength of 0400 nm the compton wavelength of the electron
the sound is coming through an open window whose dimensions are 11 m x 075 m the sound intensity level is 95 db above