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Verified answer
Vt = 30 m/sg = 10 m/s²
Vt = √2gh
Vt² = 2gh
30² = 2(10)h
900 = 20h
h = 900/20
h = 45 meter
30^2=2.(10).h
900= 20h
h=900/20 = 45 m
jadi tinggi menaranya adalah B. 45 m
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