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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

A

`(u^(2))/(2g)`

B

`(u^(2))/(g)`

C

`(2u^(2))/(g)`

D

`(2u)/(g)`

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The correct Answer is:
B
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AAKASH SERIES-MOTION IN A PLANE -Practice Exercise
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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 an initial velocity of 58.8 m/s at angle 60° ...

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  7. A body is projected at 60° with the horizontal with velocity of 10sqrt...

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  8. If the equation of motion of a projectile is y = 3x -1/8 x^(2), the ra...

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  9. The time of flight of a projectile is related to its horizontal range ...

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  10. The velocity at the maximum height of a projectile is sqrt(3)/2 time...

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  11. A ball is projected at an angle 30° with the horizontal with the veloc...

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  12. A body is projected at angle 30° to the horizontal with a velocity 50 ...

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  13. A boy throws a ball with a velocity of 15 m/s at an angle of 15° with ...

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  14. A body is projected at an angle 30° with a velocity 42 ms^(-1) Its ma...

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  15. The horizontal range of a projectile fired at an angle of 15° is 50 m....

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  16. The ceiling of a hall is 40 m high. For maximum horizontal distance, t...

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  17. A body is thrown with velocity (4i+3j) metre per second. Its horizonta...

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  18. Two particles are projected with same velocity but at angles of projec...

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  19. A body is projected with kinetic energy E such that its range is maxim...

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  20. A body is projected with a velocity u so that the horizontal range is ...

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