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If displacement is dependent on time such that x=2t-2 then find out average speed up-to 4 seconds
If displacement is dependent on time such that x=2t-2 then find out average speed up-to 4 seconds

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3 years ago

```							Average velocity = total displacement / total time.Displacement varies as, x = 2t-2.Therefore total displacement= 2(4)-2 = 6mTotal time = 4secHence average velocity = 8/6 ~ 1.34
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3 years ago
```							Average  velocity =total displacement/total time taken.  Total displacement=2*4-2=6m. Total time taken =4sec. Average velocity =6/4=1.5.
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8 months ago
```							Dear friend the above two answers are wrong.Average speed = total distance / total time Total time = 4 secPosition of particle at t=0 is x= -2( initial)Position of particle at t= 4 is x = 6(final)Total distance traveled = final - initial         = 6-(-2)= 8Hope understoodGood regards
```
8 months ago
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