In cloud chamber experiment-protons path on aphotograph

Reference no: EM13649498

In a cloud chamber experiment, a proton enters a uniform 0.320 {\rm T} magnetic field directed perpendicular to its motion. You measure the proton's path on aphotograph and find that it follows a circular arc of radius 6.06 {\rm cm}
How fast was the proton moving? v=____m/s

Reference no: EM13649498

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