A proton with a kinetic energy of 0.20 keV follows a circular path in a region where the magnetic field is uniform and has a magnitude of 60 mT. What is the radius of this path?

A. 4.1 cm
B. 2.9 cm
C. 3.4 cm
D. 5.1 cm
E. 2.4 cm


Answer: C

Physics & Space Science

You might also like to view...

If a star's temperature increases in its interior, then more nuclear reactions will occur to push the star outward and its temperature will drop, causing the star to contract and eventually return to equilibrium

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

A particle confined in a rigid one-dimensional box (an infinite well) of length 17.0 fm has an energy level En = 2.0 MeV and an adjacent energy level En+1 = 37.5 MeV

What is the value of the ground state energy? (1 eV = 1.60 × 10-19 J) A) 1.50 MeV B) 13.5 MeV C) 0.500 MeV D) 4.50 MeV

Physics & Space Science

A 5.0 ?C charge is placed at the 0 cm mark of a meter stick and a -4.0 ?C charge is placed at the 50 cm mark. At what point on a line joining the two charges is the electric field zero?

A) 1.4 m from the 0 cm mark B) 2.5 m from the 0 cm mark C) 2.9 m from the 0 cm mark D) 3.3 m from the 0 cm mark E) 4.7 m from the 0 cm mark

Physics & Space Science

The model that describes the development of psychopathology as a combination of inherited predisposition & the events that have occurred in the individual's life is called _________.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science