State which of the following situations are possible and give an example of each of these:
a) an object with constant acceleration but with zero velocity
b) an object moving in a certain direction with an acceleration in the perpendicular direction.
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(a) Possible
=greater thanWhen a ball is thrown up at maximum height, it has zero velocity, although it will have constant acceleration due to gravity, which is equal to 9.8 m/s2.
(b) Possible
= greater thanWhen a car is moving in a circular track, its acceleration is perpendicular to its direction.
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