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Dua buah benda bermassa sama, bergerak dengan arah berlawanan (lihat gambar). Bila besar kecepatan v 2 ​ = 2 v 1 ​ ,tentukan kecepatan masing-masing benda setelah tumbukan, bila tumbukannya lenting sebagian! e = 2 1 ​

Dua buah benda bermassa sama, bergerak dengan arah berlawanan (lihat gambar). Bila besar kecepatan , tentukan kecepatan masing-masing benda setelah tumbukan, bila tumbukannya lenting sebagian!   

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W. Diana

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

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begin mathsize 14px style m subscript 1 v subscript 1 plus m subscript 2 v subscript 2 equals m subscript 1 v subscript 1 to the power of apostrophe plus m subscript 2 v subscript 2 to the power of apostrophe m v subscript 1 minus 2 m v subscript 1 equals m v subscript 1 to the power of apostrophe plus m v subscript 2 to the power of apostrophe minus v subscript 1 equals v subscript 1 to the power of apostrophe plus v subscript 2 to the power of apostrophe v subscript 1 to the power of apostrophe equals negative v subscript 1 minus v subscript 2 to the power of apostrophe space space... open parentheses 1 close parentheses  e equals negative fraction numerator open parentheses v subscript 1 to the power of apostrophe minus v subscript 2 to the power of apostrophe close parentheses over denominator open parentheses v subscript 1 minus v subscript 2 close parentheses end fraction 1 half equals negative fraction numerator open parentheses v subscript 1 to the power of apostrophe minus v subscript 2 to the power of apostrophe close parentheses over denominator open parentheses v subscript 1 minus open parentheses negative 2 v subscript 1 close parentheses close parentheses end fraction 1 half equals negative fraction numerator open parentheses v subscript 1 to the power of apostrophe minus v subscript 2 to the power of apostrophe close parentheses over denominator 3 v subscript 1 end fraction 3 v subscript 1 equals negative 2 v subscript 1 to the power of apostrophe plus 2 v subscript 2 to the power of apostrophe space space... open parentheses 2 close parentheses  3 v subscript 1 equals negative 2 v subscript 1 to the power of apostrophe plus 2 v subscript 2 to the power of apostrophe 3 v subscript 1 equals negative 2 open parentheses negative v subscript 1 minus v subscript 2 to the power of apostrophe space close parentheses plus 2 v subscript 2 to the power of apostrophe 3 v subscript 1 equals 2 v subscript 1 plus 2 v subscript 2 to the power of apostrophe space plus 2 v subscript 2 to the power of apostrophe 3 v subscript 1 minus 2 v subscript 1 equals 4 v subscript 2 to the power of apostrophe v subscript 1 equals 4 v subscript 2 to the power of apostrophe v subscript 2 to the power of apostrophe equals 1 fourth v subscript 1 space space rightwards double arrow kecepatan space straight m subscript 2 space setelah space tumbukan  v subscript 1 to the power of apostrophe equals negative v subscript 1 minus 1 fourth v subscript 1 space space space space space equals negative 5 over 4 v subscript 1 space space rightwards double arrow kecepatan space straight m subscript 1 space setelah space tumbukan end style  

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

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