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Verified answer
Verified answer
Tumbukan.Kelas X kurikulum 2013 revisi 2016.
pA + pB = pA' + pB'
mAvA + mBvB = mAvA' + mBvB'
(5 kg)vA + (7 kg)(-10 m/s) = (5 kg)(-5 m/s) + (7 kg)(3 m/s)
vA = 13,2 m/s