In the arrangement shown above, all surfaces are frictionless. The rod R is constrained to move vertically. The vertically acceleration of R is `a_(1)` and the horizontal accelration of the wedge W is `a_(2)`. The ratio `a_(1)//a_(2)` is equal toA. ` tan alpha`B. `cot alpha`C. `sin alpha`D. `cos alpha`

In the arrangement shown above, all surfaces are frictionless. The ro

1.	In the arrangement shown above, all surfaces are frictionless. The rod R is constrained to move vertically. The vertically acceleration of R is `a_(1)` and the horizontal accelration of the wedge W is `a_(2)`. The ratio `a_(1)//a_(2)` is equal toA. ` tan alpha`B. `cot alpha`C. `sin alpha`D. `cos alpha`
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