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A particle is projected from the bottom of an inclined plane of inclination `30^@`. At what angle `alpha ` (from the horizontal) should the particle be projected to get the maximum range on the inclined plane.

A

` 30^(@)`

B

` 45^(@)`

C

` 15^(@)`

D

`75^(@)`

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AAKASH INSTITUTE ENGLISH-MOTION IN A PLANE-Assignement section -B Objective (one option is correct)
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  5. A projectile is thrown with an initial velocity of (a hati +b hatj) ms...

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  6. A particle is projected with a velocity of 30 m/s at an angle theta...

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  11. A particle projected at some angle with velocity 50 m/s crosses a 20 m...

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  13. A stone is thrown from the top of a tower at an angle of 30^(@) above...

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  15. A particle is projected from the bottom of an inclined plane of inclin...

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  16. If time taken by the projectile to reach B is T, then AB is equal to

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