June 2019 1 40 Report
Suatu benda yang massanya 2kg dilemparkan ke atas.ketika mencapai ketinggian 4 meter,kecepatannya 5m/s.Bila percepatan gravitasi 10m/s kuadrat maka energi mekaniknya...
A.100 joule C.112 joule
B.105 joule D.120joule
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