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3 marksMagnetic Forces

CAPE Physics Unit 2 · 2006 · Paper 1 · Question 7(b)(i)

Charged particles in uniform magnetic fields.

Derive an expression for the radius R of the circular path of a particle with mass m and charge q travelling at speed v perpendicular to a uniform magnetic field of flux density B.

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  1. 7(a)Complete the nuclear equations for the alpha decay of Thorium-232 to Radium-228 and the beta decay of Radium-228 to Actinium.[3 marks]
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