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Question
In separate experiments, four different particles each start from far away with the same speed and impinge directly on a gold nucleus. The masses and charges of the particles areparticle 1: mass m0, charge q0
particle 2: mass 2m0, charge 2q0
particle 3: mass 2m0, charge q0/2
particle 4: mass m0/2, charge 2q0
Rank the particles according to the distance of closest approach to the gold nucleus, from smallest to largest.
A) 1, 2, 3, 4
B) 4, 3, 2, 1
C) 3, then 1 and 2 tie, then 4
D) 4, then 1 and 2 tie, then 3
E) 1 and 2 tie, then 3, then 4
Answer
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