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The potential energy of a projectile at ...

The potential energy of a projectile at its maximum height is equal to its kinetic energy there. Its range for velocity of projection u is

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The correct Answer is:
`(u^(2))/(g)`
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The potential energy of a projectile at its maximum height is equal to its kinetic energy there. If the velocity of projection is 20 ms^(-1) , its time of flight is (g=10 ms^(-2) )

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AAKASH SERIES-MOTION IN A PLANE-NUMERICAL EXERCISE (LEVEL -1)
  1. A body is projected with velocity 24 ms^(-1) making an angle 30° with ...

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  2. A body projected with velocity 30 ms^(-1) reaches its maximum height ...

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  3. The potential energy of a projectile at its maximum height is equal to...

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  4. Two bodies are thrown at angles theta and (90- theta ) from the sa...

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  5. The minimum and maximum velocities of a projectile are 10ms^(-1) and 2...

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  6. A body is projected with a velocity of 30m/s to have to horizontal r...

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  7. A ball is thrown with velocity 8 ms^(-1) making an angle 60° with the...

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  8. A body is projected with an initial velocity of 58.8 m/s at angle 60° ...

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  9. Two bodies are thrown form the same point with the same velocity of p...

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  10. A body is projected at 60^(@) with the horizontal with the velocity of...

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  11. A body is projected horizontally from the top of a tower of height 10m...

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  12. A ball is projected horizontally with a velocity of 5ms^(-1) from the...

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  13. A body is projected horizontally from the top of a tower. When the bod...

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  14. Two tall buildings are 40m apart. With what speed must a ball be throw...

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  15. From the top of a cliff of height 19.6m a ball is projected horizonta...

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  16. A cricket player throws the ball to have the maximum horizontal rang...

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  17. From the topof building 78.4 high , ballis throw horizontally which ...

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  18. A body thrown at angle of 15^(@) with the hoizontal which certain sp...

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  19. A stone is projected at angle of tan^(-1)(3//4) to the horizontal wi...

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  20. The equation of motion of a body are given such that horizontal dis...

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