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An airplane needs to reach a velocity of 199.0 km/h to take off. On a 2000-m runway, what is the minimum acceleration necessary for the plane to take flight? Assume the plane begins at rest at one end of the runway. Relevant answer ​

Sagot :

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Explanation:

we will use the equation : v²=u²+2gh, where u=0, v=199km/h=199×5/18 m/s = 995/18m/s, g= ?, h= 2000 m.

placing in equation :

=>(995/18)²-0²=2.g.2000

=>(990025/324)-0=4000.g

=> (990025)/(324×4000)

=> 990025/1296000

=> 0.763m/s².

is the correct answer.

hope this helps you.

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