Q 9.     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 

Answers (1)

(a) The given situation is possible.

When an object is thrown upwards (under gravity only), it reaches to a maximum height where its velocity becomes zero. However, it still has an acceleration acting in the downward direction (acceleration due to gravity).

Note: This is possible for a given point of time, however, it is not possible for a period of time. 

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