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14 June, 07:40

A plane comes in for landing at a velocity of 80 meters per second west. As it touches down, it decelerates at a constant rate of 3 meters per second per second. What is the minimum length of runway needed for this plane to come to a complete stop (on the runway) ? A.) 240m. B.) 682m C.) 859m. D.) 1067m

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  1. 14 June, 10:03
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    C is the answer, you have to add up every single number, so first you would add 80 then add 77 then 74 etc. decrease it by 3 then add it to your total until there is nothing left to add then compare that to the runway sizes.
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