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An aeroplane needs to reach a speed of 324 km/hr before it can take off. It starts from rest and the engine of aeroplane produces a constant acceleration. If it spends 30 s on the runway then the minimum required runway length is -A. 1350 mB. 675 mC. 337.5 mD. None of these |
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Answer» Correct Answer - A `S=(U+V)/(2)xxt, S=(0+90)/(2)xx30,S=1350m` |
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