A cyclotron is designed to accelerate protons (mass 1.67 x 10-27 kg) up to a kinetic energy of 2.5 x 10-13 J. If the radius of the dipole magnets is 96 cm, what is the magnetic field used in the cyclotron?
A. 35 mT
B. 0.13 T
C. 0.19 T
D. 0.21 T
C. 0.19 T
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If a crystal contains only two edge dislocations with Burger’s vectors of opposite signs, and they come together on the same slip plane the resulting number of dislocations is equal to _________.
Fill in the blank(s) with the appropriate word(s).
A low-luminosity star has a small and narrow ____, whereas a high-luminosity star has a large and wide one
a. UV range b. life capability c. habitable zone d. adaptable zone e. water hole
A string is stretched with a tension of 100 N. The string has a length of 2.00 meters. The velocity of wave propagation along the string is 220 m/s. The mass of the string is
A. 3.75 gm. B. 4.13 gm. C. 4.66 gm. D. 5.21 gm. E. 5.74 gm.
Where does most star formation occur in the Milky Way Galaxy?
A) in the spiral arms B) everywhere throughout the galactic disk C) in the central bulge D) within the halo