a. Perubahan momentum
= momentum akhir - momentum awal
= - 0,1. 6 - 0,1. 8 = - 0,14 kg.m/s
b. Impuls
F.t = Δmv
F = - 0,14/0,08
F = - 1,75 N ( berlawanan arah dgn datangnya bola )
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a. Perubahan momentum
= momentum akhir - momentum awal
= - 0,1. 6 - 0,1. 8 = - 0,14 kg.m/s
b. Impuls
F.t = Δmv
F = - 0,14/0,08
F = - 1,75 N ( berlawanan arah dgn datangnya bola )