Question

An airplane lands with an initial velocity of f|70.0 m/s and then decelerates at for 40.0s. What is its final velocity?
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Answer 1

Answer:

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Answer 2

v=v0+at=70.0m/s+(−1.50m/s2)(40.0s)=10.0m/s. ... 2: The airplane lands with an initial velocity of 70.0 m/s and slows to a final velocity of 10.0 m/s before heading for the terminal. Note the acceleration is negative because its direction is opposite to its velocity, which is positive.