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Verified answer
Nomor 11C=Q/m.t
=19200/0,2.40
=19200/8
=2400 J/kgC
jawabannya B.alkohol
nomor 13
W/F=s/h
45×9,8/98=s/2
s=45×9,8×2/98
=9×98/98
=9 m
jawabannya D.9 meter
maaf nomor 12 lupa caranya
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