A cyclotron operates at 10. MHz. What magnetic field is needed to accelerate protons?

A) 0.25 T
B) 0.25 Gauss
C) 0.12 T
D) 1.1 T
E) 0.66 T


E

Physics & Space Science

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Which scientists played a major role in overturning the ancient idea of an Earth-centered universe, and about when?

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The intensity of radiation reaching the Earth from the Sun is 1350 W/m2 . The Earth's radius is 6.4 × 10^6 m. How big a force does this radiation exert on the Earth? (Assume it is all absorbed.)

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Physics & Space Science