JAWABAN 1731130004 SUKRON KASIRON Edit Jawaban soal 1 ! a = 5i-2j ; b = i-3j a-2b=? =( 5i-2j)-2(i-3j) =(5i-2j)-(2i-6j) =3i+6j Jawaban soal 2 ! F = 2i+2j+2k ; s = 4i+5j+2k Usaha (w)=? w = F.s =(2i+2j+2k).(4i+5j+2k) =(4.1)+(10.1)+(4.1) =18 joule Share this post
