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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago
A proton is projected toward a fixed nucleus of charge +Ze with velocity vo. Initially the two particles are very far apart. When the proton is a distance R from the nucleus its velocity has decreased to 1/2 vo. How far from the nucleus will the proton be when its velocity has dropped to 1/4 vo? 
A) 1/16 R 
B) 1/4 R 
C) 1/2 R 
D) 4/5 R 
E) None of these. 
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padrepadre
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mikael Author
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10 years ago
Thanks again.
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