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The position coordinate of a moving part...

The position coordinate of a moving particle is given by `x = 6 + 18t + 9t^(2)` (x in metres and t in seconds). What is its velocity at l = 2 sec.

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SL ARORA-MECHANICS-Exercise
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  7. What does the slope of velocity-time graph represent ?

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  8. The area under velocity-time graph for a particle in a given interval ...

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  9. The area under acceleration-time graph gives

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  10. The displacement-time graph for two particles A and B are straight lin...

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  11. Is the time variationof position, shown in the adjacent figure, observ...

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  12. Displacement-time graph of any object is shown in the adjacent figure....

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  13. Acceleration is defined as the rate of change of velocity. Suppose we ...

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  14. What are the characteristics of uniform motion ?

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  15. Use graphical method to derive the relation v^(2) - u^(2) = 2 as, wher...

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  16. Prove that x = x0 + v0 t + 1/2 at^(2).

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  17. Show that the slope of displacement-time graph is equal to the velcoit...

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  18. Draw velocity-time graphof uniform motion and prove that the area unde...

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  19. Using graphical method, derive the equations v = u + at and s = ut +...

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  20. Use velocity time graph to derive the relation : v^(2)-u^(2)=2 as, whe...

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