A block is sliding along inclined plane as shown in figure. If the acceleration of chamber is ‘a’ as shown in the figure. The time required to cover a distance L along inclined plane is

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2Lgsin⁡θ−acos⁡θ

2Lgsin⁡θ+asin⁡θ

2Lgsin⁡θ+acos⁡θ

2Lgsin⁡θ

answer is C.

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Detailed Solution

fnet(downward)=mgsin⁡θ+macos⁡θ=m(gsin⁡θ+acos⁡θ)∴geff=gsin⁡θ+acos⁡θ; T=2Lgeff

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