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A body projected up reached a point P of...

A body projected up reached a point P of its path at the end of 4 seconds and the highest point at the end of 12 seconds. After how many seconds from the start will it reach P again ?

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SL ARORA-MECHANICS-Exercise
  1. Assertion:- A particle having zero acceleration must have constant spe...

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  2. Derive the equations of motion given below: v=u+at

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  3. A body projected up reached a point P of its path at the end of 4 seco...

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  4. When a body is subjected to a uniform acceleration, it always moves in...

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  5. A uniform moving cricket ball is turned back by hitting it with a bat ...

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  6. The position coordinate of a moving particle is given by x = 6 + 18t +...

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  7. A player throws a ball upwards with an initial speed of 29.4 ms^(-1). ...

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  8. Under what codition will the distance and displacement of a moving obj...

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  9. Under what conditions (s) is the magnitude of average velocity of an o...

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  10. What does the slope of velocity-time graph represent ?

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

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  12. The area under acceleration-time graph gives

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

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

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

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

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  17. What are the characteristics of uniform motion ?

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

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

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

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