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Satu saja ya (5 pt)
ma = 2 kg va = 13 m/s, ke kanan
mb = 4 kg vb = -2 m/s, ke kiri
TLtss
v ' = __ ?
4][
Σp = Σp'
ma × va + ma × va = (ma + mb) v '
2 × 13 + 4 × (-2) = (2 + 4) v '
26 - 8 = 6 v '
18 = 6 v '
v ' = 18/6 = 3 m/s ←
Hati-hati, jangan sampai menjawab seperti ini (gambar terlampir)
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