Page 71 - Modul Elektronik Berbasis Multi Representasi Materi Usaha dan Energi
P. 71
5. Diketahui :
m = 1 kg ; h = 2 m
v = 2 m/s
Berlaku hukum kekekalan energi mekanik
=
2
1
= +
1
2
2
1 2
= ℎ +
1
2
1 2
= (1)(10)(2) + (1)(2)
1
2
= 22
1
61
a
