Two acceleration questions. Need physics help!

timer Asked: Nov 17th, 2014

Question description

1. A body on a straight road with constant acceleration takes a 10 meter long track in 1,06 sec, and the next 10 m track in 2,2 sec. What is the acceleration?

2. A plane with constant acceleration until the half of the runway reaches the 80% of the velocity required for the take off.
What fractional part of the track does it reach the take-off speed?

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