Answers

2014-10-01T20:04:37+05:30
3*4=12m/s answer for your first question

20+(3*8)=44 answer for second question

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The Brainliest Answer!
2014-10-01T20:08:01+05:30
Acceleration of the aircraft = 3m/s²

.a) the velocity the aircraft gain in 4 seconds=
                 3 x 4 (acceleration x time ) = 12 m/s
b) Velocity = 20 m/s
velocity 8 second=
             20+(8 x 3) = 44 m/s


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