if velocity is decreasing then how acceleration be positive as the velocity-time graph is negative?
Asked by | 20th Nov, 2012, 09:03: PM
Say a ball bounces back from the wall(point A) to the point B as shown:
The velocity-time graph shows a line with a positive (upward) slope (meaning that there is a positive acceleration); the line is located in the negative region of the graph (corresponding to a negative velocity). The acceleration-time graph shows a horizontal line in the positive region of the graph (meaning a positive acceleration).
Answered by | 21st Nov, 2012, 12:25: PM
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