a plane starts from rest and is accelerated 3m/s^2 over a distance of 600m what is its speed after traveling this distance?

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.

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pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y