We found that the stone's velocity is 0 m/s after three seconds, when it is at a height of 45 metres. The acceleration is taken as \(-10\) m/s\(^2\). We return to the example of the stone being launched vertically upwards from ground level with an initial velocity of 30 m/s. Explanation: The speed of an object is found out by dividing the distance that the object covers by the time in which the object takes to cover. We will look at examples involving motion with constant acceleration. Content Average velocity and average speedīefore turning our attention to problems involving non-constant acceleration and using calculus, we consider the concept of average velocity.
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