Page 73 - E-MODUL MOMENTUM DAN IMPULS

E-Modul Model Pembelajaran CinQASE

′
(6) + (0) = (2 )
′
= 3
⁄
13. Jawaban D

Diketahui: = 2
1
= 3
2
= 6
⁄
1
= 2
⁄
2
′
= 4
⁄
2
Ditanyakan: e=........?
Jawab

Hukum kekekalan momentum:

′
′
+ = +
2 2
1 1
2 2
1 1
′
(2)(6) + (3)(2) = (2) + (3)(4)
1
′
= 3
⁄
1
′
− 1 ′ 4 − 3 1
2
= − = − = − = 0,25
− 1 2 − 6 (−4)
2
14. Jawaban C
Diketahui: = 5

= 2

= 10
⁄

= 5
⁄

′
= 15
⁄

′
Ditanya: = ⋯ ?

Jawab
′
+ = +
′

′
(5)(10) + (2)(5) = (5) + (2)(15)

50 + 10 = (5) + 30
′

′
= 30
⁄

Wa Ode Dian Rahmawati, Jurusan Pendidikan Fisika