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A solid sphere rolls down a parabolic pa...

A solid sphere rolls down a parabolic path , whose vertical dimension is given by `y = kx^(2)` and base of the parabola is at x = 0 . During the fall the sphere does not slip, but beyond the base the climb is frictionless. If the sphere falls through a height h, the height above the base that it would climb is

A

54

B

7h

C

`(7)/( 5) h`

D

`( 5)/( 7)h`

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The correct Answer is:
D
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FIITJEE-KINEMATICS-SECTION(I): MCQ (SINGLE CORRECT)
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  8. A block of metal weighing 2kg is resting on a frictionless plane. It i...

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  18. A block of mass sqrt(3)//10kg is placed on a rough horizontal surface ...

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