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a mass spectrometer is used to examine the isotopes of uranium ions in the beam emerge from the velocity selector at a
star rotates with a period of 30 days about an axis during its center the period is the time it takes a point on the
a circular conducting loop by a radius of 37m has a resistance of 10omega and is orientated on the xy planenbsp if a
the magnetic force on a straight 037 meter segment of wire carrying a current of 45 amp is 10 n find the magnitude of
a metal wire of mass 91 kilogram slides without friction on two horizontal rails spaced a distance of 73 meter apart
in the long jump final at the olympics a jumper launches herself at her max speed of 10 ms she generates a vertical
in a two slit interference pattern what is the ratio of slit separation to slit width if there are 17 bright fringes
the air inside a hot air balloon has an average temperature of 792 degrees celcius the outside air temperature is 203
a muon formed high in earths atmosphere travels towards earth at a speed v 092c for a distance of42 km as gauged by an
1 a grindstone of radius 40 m is initially spinning with an angular speed of 80 rads the angular speed is then
a subatomic particle has an unknown lifetime tau the particle is created at t 0 and travels around the earthrsquos
while in outer space a small however powerful spherical shaped light source is turned on with us the light source
energy is produced with the sun by nuclear fusion reactions in which matter is converted into energy we can measure
a typical adult human lung contains about 330 million tiny cavities called alveoli estimate the average diameter of a
a nearsighted patients far point is 0690 m from her eyes she is able to see distant objects in focus when wearing
the owner of a van installs a rear-window lens that has a focal length of -0300 m when the owner looks out during the
a 100 coil spring has a spring constant of 438 nm it is cut into two shorter springs each of which has50 coils one end
a horizontal spring is lying on a frictionless surface one end of the spring is attached to a wall and the other end is
a spring is hung from the ceiling a 0400-kg block is then attached to the free end of the spring when released from
a 05-kg ball is loaded into a popgun the ball is loaded with compressing a spring 01 m the spring is initially not
1 what is nanotechnology2 what are the basics of nanotechnology3 what is the difference between bulk and nano
a converging lens of focal length 8000 cm is 197 cm to the left of a diverging lens of focal length -600 cm a coin is
two skaters one with a mass of 70 kg and the other with mass of 48kg stand on an ice rink holding a pole of length 56m
there is a 6omega electric heater that consumes 15 w of power the conducting bar moves to the right at a constant speed
a truck of 2500kg travels at 40ms it crashes against a wall and stops at 02s what is the value of impulse find the