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Determine the speed at which the proton must be moving in order to get within 1.2X10 -15 m of the helium-3

nucleus. Assume that the helium nucleus is a point-like object and does not move. Screen Shot 2020-01-23 at 8.48.48 PM.png

Screen Shot 2020-01-23 at 8.48.48 PM.png

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Helium -3
Proton moves from an as distance to r = 1.2 x 10-i'm
Initial gravitational potential energy , U.. = - GIMm = 0
Final gravitational potential energy , Ur = - GMm...

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