Kecepatan awal bola
Xac = V₀.cos 60. t_bc
5 = V₀. 0,5. 1
V₀ = 10 m/s
Impuls = Perubahan momentum
F. t = Δ(m.V) : bola awalnya diam di tanah.
F.t = m.V₀ - m.0
F = m.V₀/t
F = 0,4. 10/0,01
F = 400 N
Jawaban. E
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Kecepatan awal bola
Xac = V₀.cos 60. t_bc
5 = V₀. 0,5. 1
V₀ = 10 m/s
Impuls = Perubahan momentum
F. t = Δ(m.V) : bola awalnya diam di tanah.
F.t = m.V₀ - m.0
F = m.V₀/t
F = 0,4. 10/0,01
F = 400 N
Jawaban. E