Two positively charged particles enter a region of uniform magnetic field B. The

Question

Two positively charged particles enter a region of uniform magnetic field B. The B field is oriented perpendicular to the page. The paths of the two charged particles are shown. Which direction is the B field pointing? A) Up B) Down C) Right D) Into the page E) Out of the page If the two particles have the same mass initial velocity which one has the greater charge? A) Particle a B) Particle b C) They have the same charge Let B = 1.5 T, m_b = 3.0 times 10^-27 kg, v_b = 2 times 10^7 m/s and q_b = 1.6 times^-19 C. What is the length L? A) 0.33 m B) 0.50 m C) 1.50 m D) 2.67 m E) 7.50 m

Explanation / Answer

8.)

Out of the page

9.)

Particle a

10.)

L = m * v / q *B

L = 3 * 10^-27 * 2 * 10^7 / (1.6 * 10^-19 * 1.5 )

L = 0.25 m

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