Question

Tolong pake caranya juga dong​

Answer 1

~Gravitasi Newton~

Fcb=Fca

G×mb×mc/rcb²=G×ma×mc/rca²

mb/rcb²=ma/(5-rcb²)

rcb²=mb/ma ×(5-rcb)²

rcb²=4,5/2 ×(5-rcb)²

(rcb/5-r)²=4,5/2

rcb/5-r=√2,25

rcb/5-r=1,5

rcb=1,5(5-rcb)

rcb=7,5-1,5rcb

rcb+1,5rcb=7,5

2,5rcb=7,5

rcb=3m

maka rca:

5-rcb=rca

5-3=rca

rca=2m