**Experiment with Cosmic Rays**In an experiment with cosmic rays, a vertical beam of particles with a charge of magnitude 3e and a mass 12 times that of a proton enters a uniform horizontal magnetic field of 0.250 T. The beam is bent into a semicircle with a diameter of 95.0 cm, as shown in Figure 1.**Figure Explanation**The diagram shows a semicircular path with a diameter of 95.0 cm, represented by a dashed line. The path is in a plane perpendicular to a magnetic field \(\mathbf{B}\), which is directed horizontally, as indicated by the blue dots (representing the field's direction coming out of the page).---**Part A: Speed of the Particles**Find the speed of the particles.Express your answer in meters per second.\[v = \quad \text{m/s}\]---**Part B: Charge Sign of the Particles**Determine the sign of the particles' charge.- Positive- Negative

Charge of the particle (q) = 3e = 3 (1.6 x 10-19 C) = 4.8 x 10-19 C Mass of particle (m) = 12 (mass…

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