Question
An airplane starts at rest and accelerates down the runway for 20s. At he end of the runway, it's velocity is 80 m/a north. What is its acceleration?
Answers
a =v/t
a = 80/20 = 4 m/sec/sec north
a = 80/20 = 4 m/sec/sec north
20s 80 m/s
20s 80 m/s
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