The two straight lines OA and OB on the same displacement-time graph make angles 30degree and 60degree with time axis respectively. 1. which line represents greater velocity? 2.What is the ratio of the two velocities represented by OA and OB?

Asked by Harminder Singh | 10th Mar, 2011, 12:38: AM

Expert Answer:

1. It depends upon the slopes of the two graphs. delta x/delta t. Which slope is more, the velocity is more.
 
2. ratio of velocities = ratio of their slopes.
 
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Answered by  | 10th Mar, 2011, 12:56: PM

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