An airplane flies eastward and accelerates uniformly. At one position along its

Question

An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 33.5 m/s. It then flies a further distance of 48900 m and its velocity is 41.5 m/s. Find the airplane's acceleration and calculate how much time elapses while the airplane covers those 48900 m.style="font-family: 'droid sans', georgia, 'times new roman', serif; font-size: 16px; text-align: -webkit-center; ">

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What is the acceleration ?style="font-family: 'droid sans', georgia, 'times new roman', serif; font-size: 16px; text-align: -webkit-center; ">

what is the elapsed time ?style="font-family: 'droid sans', georgia, 'times new roman', serif; font-size: 16px; text-align: -webkit-center; ">

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SHOW ALL ANSWER PLEASE !style="font-family: 'droid sans', georgia, 'times new roman', serif; font-size: 16px; text-align: -webkit-center; ">

Explanation / Answer

v^2 -u^2 = 2as

41.5^2 - 33.5^2 = 2 x a x 48900

a = 6.135 x 10-3 m/s2

t = 41.5 - 33.5 / a    = 1304 sec

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