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The height y and horizontal distance x c...

The height y and horizontal distance x covered by a projectile in a time t seconds are given by the equations y = `8t -5t^(2)` and x = 6t. If x and y are measured in metres, the velocity of projection is

A

`8 ms^(-1)`

B

`6 ms^(-1)`

C

`14 ms^(-1)`

D

`10 ms^(-1)`

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The correct Answer is:
D
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AAKASH SERIES-MOTION IN A PLANE-EXERCISE-2 (Oblique project
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  14. The speed of a projectile at its maximum height is sqrt(3) //2 times i...

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  18. A body is projected at angle 30° to horizontal on a planet with a velo...

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  19. A body is projected at angle 30° to horizontal on a planet with a velo...

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