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A heavy particles is projected from a po...

A heavy particles is projected from a point at the foot of a fixed plane, inclined at an angle `45^(@)` to the horizontal, in the vertical plane containing the line of greatest slope through the point. If `phi(gt45^(@))` is the inclination to the horizontal of the initial direction of projection,for what value of `tan phi` will the particle strike the plane horizontal.

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ANURAG MISHRA-DESCRIPTION OF MOTION-Example
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  14. A boat has a velocity 4m//s towards east with respect to river is flow...

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  15. To a man running upwards on the hill, the rain appears to fall vertica...

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  16. An aeroplane A is flying horizontally due east at a speed of 400 km//h...

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  17. A man is coming down an incline of angle 30^(@) . When he walks with s...

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  18. ·A pipe which can be swivelled in a vertical plane is mounted on a car...

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  19. A river is flowing with a speed of 1 km h^-1 A swimmer wants to go poi...

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