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Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to its axis of rotation. Coil 1 has a radius of 6.7 cm and rotates in a 0.14-T field. Coil 2 rotates in a 0.59-T field. Each coil experiences the same maximum torque. What is the radius (in cm) of coil 2?
white light illuminates an oil film on water. viewing it directly from above it looks red. assume that the reflected
A positive and a negative particles enter magnetic field at the same angle and with the same velocity. How different would be the path of each particle
a major leaguer hits a baseball so that it leaves the bat at a speed of 28. ms and at an angle of 36.9 above the
A rectangular block of ice 14.0 m on each side and 1.4 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3.
equal moles of helium and nitrogen were used to fill a 2.6 liter latex balloon porous membrane. it was determined that
A large fraction of the ultraviolet (UV) radiation coming from the sun is absorbed by the atmosphere. The main UV absorber in our atmosphere is ozone, O 3 rm O_3. In particular, ozone absorbs radiation with frequencies around 9.38×1014Hz rm Hz..
An air bubble has a volume of 1.25 cm3 when it is released by a submarine 100 m below the surface of a lake. What is the volume of the bubble when it reaches the surface
Mr. Gewanter, who's mass is 60.0 kg, is doing physics demonstration in the front of the classroom. a) How much gravitational force does he exert on 55-kg Martha in the front row, 1.50m away? b) How does this compare to what he exerts on 65-kg Lest..
A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. How much charge moves during this time
a laser beam with a wavelength of 632.8 nm is directed from air into plastic which has an index of refraction of
Ina mass spectrometer, ions are directed into a magnetic field, where they curve around in the field and strike a detector. If several singly ionized atoms travel at the equal speed through the magnetic field, would you expect them all to be defle..
A laser is mounted on a table 1.10m above the ground, pointed at a vertical mirror a horizontal distance 3.60m away. At what height does the reflected beam strike the wall
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