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A small block slides with velocity v0=0....


A small block slides with velocity `v_0=0.5sqrt(gr)` on the horizontal frictiohnless surface as shown in the fig. the block leaves the surface at point C. The angle `theta` in the figure is:

A

`cos^(-1)(4)/(9)`

B

`cos^(-1)(3)/(4)`

C

`cos^(-1)(1)/(4)`

D

`cos^(-1)(4)/(5)`

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