- tiny dust particiemT270xt?\"Rg) has a charge of 2.25x10+CWh? it enters an MRI
ID: 2033626 • Letter: #
Question
- tiny dust particiemT270xt?"Rg) has a charge of 2.25x10+CWh? it enters an MRI machine with a speed of 7.22 m/s. The machine's strong Map freig poinis out of yur scrend the particle are shown in the diagram. The Answer the three questions below, using three significant figures. Part A: Which path will the particle take while inside the field? O O A (straight through) B (curl to the left) C (curl to the right) O D (curl out of the screen not pictured) O E (curl into the screen not picture) Part B: What is the magnitude of the force F) acting on particle? Number Part C: What would be the radius of curvature (r) of the particle as it travels through the magnetic field? Number InExplanation / Answer
a) C (curl to right)
b) magnetic force F = q v B
= 2.25 * 10-4 * 7.22 * 2.53
magnitude of force = 4.11 * 10-3 N
c) radius r = m v / q B
= (2.7 * 10-5 * 7.22) / (2.25 * 10-4 * 2.53)
radius = 0.342 m
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