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an isosceles right triangular prism is made of crown glass by a refractive index of n ng 1520 for light of wavelength
the doppler shift of ultrasonic waves can gauge the speed of blood in an artery if the frequency of the stationary
through a thunderstorm 38 s elapses between observing a lightning flash and hearing the resulting thunder about how far
to compare the relative efficiency of glass and air as insulators repeat the previous problem with a
light is an electromagnetic wave and travels at a speed of 300 108 ms the human eye is most sensitive to yellow-green
two persons are carrying a uniform wooden board that is 300 meter long and weighs 160 newton if one person applies an
an archeological specimen containing 102gram of carbon has an activity of 08 bq obtain how old is the specimenin
calculate the magnitude of a force f needed to pull a 50 kilogram box up a frictionless ramp at an angle 25o therefore
one lens of a near sighted mans eyeglasses has a focal length of-230 centimeter and the lens is 21 centimeter from the
the flywheel of a steam engine runs with a constant angular speed of 350 revmin when steam is shut off the friction of
a thin rod of length 075 meter and mass 046 kilogram is suspended freely from one end it is pulled to one side and then
a cylinder with a movable position contains gas at a temperature of 171oc a volume of 16 meter cubed and an absolute
a student sits at rest on a stool that can rotate without friction the moment of inertia of the student-stool system is
as an ice skater begins a spin his angular speed is 336 rads after pulling in his arms his angular speed increases to
the size of the nucleus in rutherfords model is about 13 fm 13 times 10-15 meter find the repulsive electrical force
the angular speed of an automobile engine is increased at a constant rate from 1100 revmin to 4200 revmin in 16 seca