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F=m×a
25=5a
a=5m/s²
s=1/2×a×t²
=1/2×5×2²
=10m
2.
^^mecari percepatan^^
vt²=2as
108×108=2×a×100
a=58,32m/s²
^^mencari gaya^^
F=m×a
=2000×58,32
=116640N
3.
^^mencari perlambatan^^
vt²=v0²-2as
0=4²-2×a×8
-16=-16a
a=1m/s²
F=m×a
=1×5
=5N