A proton is moving to the right towards a region with constant magnetic field po

Question

A proton is moving to the right towards a region with constant magnetic field pointing into the page. After reaching this region, the proton will move: Clockwise Counterclockwise Straight QUESTION 6 If in question 5, the radius of the proton's path inside the region with magnetic field is 1.0 cm and the magnitude of the magnetic field is 1.05 T what is the speed of the proton? Input your answer in m/s and put in the number only. QUESTION 7 How much time does the proton spend in the region with magnetic field? (Hint: Draw the trajectory of the proton; what distance does it travel inside the region?) Input your answer in s, and put in the number only.

Explanation / Answer

Here ,

5) as F = q * V X B

for the positive charge , initial charge is upwards

the particle will go counter clockwise

6)

let the speed of proton is v

as r = m * v/(B * q)

0.01 = 1.67 *10^-27 * v/(1.05 * 1.602 *10^-19)

solving for v

v = 1.01 *10^6 m/s

7)

time spend in region = distance/time taken

time spend in region = pi * 0.01/(1.01 *10^6)

time spend in region = 3.11 *10^-8 s

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