Page 22 - impuls dan momentum

 ⃗ = ⃗ + ⃗
2
1
 ∆ ⃗ = ⃗ − ⃗
1
2
 = ∆
⃗
̅
MEMBUAT RENCANA
⃗
⃗
̅
=  = ∆ ⃗⃗⃗
∆
∆ ⃗
̅
=
∆

⃗ = ⃗ + ⃗
2
1
⃗ = 10 m s ⁄ + (2 m s ⁄ )(5 s)
2
2
⃗ = 10 m s ⁄ + 10 m s ⁄
2
⃗ = 20 m s ⁄
2

∆ ⃗ = ⃗ − ⃗
2
1
∆ ⃗ = (0,1 kg)(20 m s ⁄ ) − (0,1 kg)(10 m s ⁄ )
MELAKSANAKAN RENCANA
∆ ⃗ = 2 kg m s ⁄ − 1 kg m s ⁄

∆ ⃗ = 1 kg m s ⁄

∆ ⃗ 1 kg m s ⁄ 1 kg m s ⁄
̅
= = =
∆ − 1 5 s − 0 s
2
= 0,2 kg m s ⁄
2
̅
= 0,2 Newton
̅

Cobalah cek nilai ⃗

∆ ⃗⃗⃗⃗⃗ − ⃗⃗⃗⃗⃗
1
2
⃗ = =
∆ − 1
2
MENGECEK KEMBALI
20 m s ⁄ − 10 m s ⁄ 10 m s ⁄
⃗ = =
5 s − 0 s 5 s
⃗ = 2 m s ⁄
2

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