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What force is needed to accelerate 1000 kilogram car from 72 to 108 kilometer per hour over a time period of 5 seconds?
Wiki User
∙ 10y ago
72 km per hour = 20 ms-1
108 km per hour = 30 ms-1
so acceleration = (30-20)/5 = 2ms-2
Then Force = Mass*Acceleration = 1000 kg * 2 ms-2 = 2,000 Newtons or 2 kN.
Wiki User
∙ 10y ago
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