September 2018 1 29 Report
Seorang anak menendang bola melewati dinding setinggi 7,5 m. Apabila sudut elevasi bola 60°, kecepatan awal bola agar dapat melewati dinding sebesar...m/s (g = 9,8 m/s^2)
Tolong dijawab perlu banget.. :)

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