January 2019 0 23 Report
Bantuin PR fisika dong... Cara penyelesaiannya gimana??

Sebuah planet X mempunyai 2 kali massa bumi dan jari-jarinya 3 kali jari-jari bumi. Jika berat benda di bumi 90 N, berat benda tersebut di planet X adalah...

a. 20 N
b. 60 N
c. 120 N
d. 135 N
e. 202,5 N
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