Question

08. 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

Answer:

s=ut+(1/2)at^2 this formula has to be used.

u=0

s=(1/2)×3×35×35

v^2=u^2+2as

v^2=2×3×(1/2)×3×35×35

v=3×35=105 m/s