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Question

An aircraft on a runway has a steady acceleration of 3 m/s2. If the aircraft passes one post on the runway at a velocity of 20 m/s, what is its velocity 8 seconds later?


Solution

Acceleration =3m/s2
Initial velocity =20m/s
v=u+at=20+3tt=8 seconds
Final velocity v=44 m/s

 

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