An atomic nucleus suddenly bursts apart (fission) into two pieces. Piece A with mass mA travels to the left with a speed of vA. Piece B with mass mB travels to the right with speed vB. Show the velocity of piece B in terms of mA, mB and VA.

College Physics
11th Edition
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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An atomic nucleus suddenly bursts apart (fission) into two pieces. Piece A with mass mA travels to the left with a speed of vA. Piece B with mass mB travels to the right with speed vB. Show the velocity of piece B in terms of mAmB and VA.

Solution:
Consider that the nucleus is not acted by an external force. Thus, momentum is conserved, so:
PBf + Paf = 0
Substituting the expression for momentum results to
mgv
mAM
= 0
Deriving the expression for the velocity of piece B results to
=(ma/m
DVA
Transcribed Image Text:Solution: Consider that the nucleus is not acted by an external force. Thus, momentum is conserved, so: PBf + Paf = 0 Substituting the expression for momentum results to mgv mAM = 0 Deriving the expression for the velocity of piece B results to =(ma/m DVA
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