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Usaha, energi, dan kekekalan energi mekanikSering keluar

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A car of mass 1000 kg1000\ \mathrm{kg} has a rated power of 40 kW40\ \mathrm{kW} and experiences a constant resistance of 2000 N2000\ \mathrm{N}. Driving at rated power on a straight level road, when its speed is 10 m/s10\ \mathrm{m/s} its acceleration has magnitude ( ).
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