In a Certain Particle Accelerator, a Current of 800 μA

question 14

Multiple Choice

In a certain particle accelerator, a current of 800 μA is carried by a 6.00-MeV proton beam that has a radius of 1.50 mm. The mass of a proton is 1.67 × 10^-27 kg. If the beam hits a target, how many protons hit the target in 5 s?

• A) 2.50 × 10¹⁶
• B) 6.78 × 10¹⁶
• C) 5.68 × 10¹⁶
• D) 1.37 × 10¹⁶
• E) 3.71 × 10¹⁶

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