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What is the ke of a 800 tonnes train travelling at a speed of 108 km/h note 1 tonne =1000 kg
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What is the ke of a 800 tonnes train travelling at a speed of 108 km/h note 1 tonne =1000 kg

User Bishan
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1 Answer

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800 tonnes = 800,000 kg
108 km/h = 30 m/s

KE = (1/2)mv^2

(1/2)(800,000)(30)^2 = 360,000,000 J
User Rafaelcastrocouto
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