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What is the wrong with the speed time graph from

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The escape speed of a projectile on the earth’s surface is 11.2 km s^-1 A body is projected out with thrice this speed. What is the speed of the body far away from the earth? Ignore the presence of the sun and other planets.

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Two straight line draw on the same displacement-time graph make angle 30^@ & 60^@ with time axis. Which line represent greater velocity.

R G PUBLICATION-MOTION IN A STRAIGHT LINE-EXERCISE
  1. Under which condtion the distance travelled by a body is equal to the ...

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  2. Two straight line draw on the same displacement-time graph make angle ...

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  3. A person travelling on a straight line moves with a uniform velocity v...

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  4. The position of a moving particle is given by x = 6 + 18t + 9t^2 wher...

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  5. The displacement x of the body in a motion is given by x = Asin (wt + ...

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  6. A particle is moving in a circular path of radius r. What will be the ...

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  7. Two train 100 m and 89 m in length are running in opposite directions ...

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  8. The distance x of a particle moving in one dimension, under the action...

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  9. A train 100 m long is moving with a velocity of 60 km/hr. Find the tim...

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  10. A ball thrown vertically upward with a speed of 19.6ms^-1 from the top...

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  11. Derive S = ut + frac(1)(2) at^2 by graphical method.

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  12. Displacement is given by x = 1 + 2t + 3t^2 Calculate the value of inst...

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  13. Prove that S(uh) = u + frac(a)(2)(2n-1)

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  14. From the graph calculate the average acceleration in first twenty sec.

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  15. The relation between time t and displacement x is t = alpha x^2 + beta...

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  16. What is the wrong with the speed time graph from

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  17. A ball is dropped from the top of a tower of height (h). It covers a d...

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  18. For a particle in one dimensional motion, the instantaneous speed is a...

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  19. A particle experiences constant acceleration for 20 sec after starting...

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  20. Prove that V - u = 2as from velocity time graph.

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