Asked by chan
An airplane taking off from a landing field has run of 400 m. If it starts from rest and accelerates its motion uniformly and makes the run in 20 seconds. with what velocity did it take off
Answers
Answered by
Damon
average speed = 400/20 = 20 m/s^2
constant acceleration (v = a t + starting speed) so begin speed is 0 and end speed is 40 m/s
constant acceleration (v = a t + starting speed) so begin speed is 0 and end speed is 40 m/s
Answered by
Amit yadav
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