Practice question
Question
For an object moving in a plane with constant acceleration, what can be said about its path if the acceleration is perpendicular to the initial velocity?
Explanation
Velocity v=v₀+at. Starting from rest, v=at. With a=(ax i+ay j), magnitude |v|=t√(ax²+ay²) per NCERT vector addition. Substituting ax, ay, t gives |v| equal to It is parabolic. Hence option A is correct.
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