Question

A jet plane starts from rest with an acceleration of 3ms-2 and makes a run for 35s before taking off. What is the minimum length of the runway and what is the velocity of the jet at take off?.


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Answer 1

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Solution :

Using S = , we get

S = 0 + 1 / 2 × 3 × 35² = 1837.5 m

Using v = u + a , we get

• v = 0 + 3 × 35 = 105 m s -

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