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# State which of the following situations are possible and give an example for each of these. (A) An object with a constant acceleration but with zero velocity. (B) An object moving with an acceleration but with uniform speed. (C) An object moving with an acceleration but with uniform speed. (D) An object in a certain direction with an acceleration in the perpendicular direction.

Last updated date: 22nd Jun 2024
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Hint: Analyse the questions properly and answer them by providing everyday examples. Try to recall what you mean by constant acceleration, uniform speed and how to determine the direction of acceleration and other terms.

Let’s throw a ball directly upwards from the surface of earth. Now this ball will have an initial velocity which will constantly decrease and become zero at the highest point of its trajectory. At this point, its velocity is zero but it has a constant acceleration due to gravity $g = 9.8m{s^{ - 2}}$. So this explains how an object can have constant acceleration but zero velocity.