Doubt from mechanics

@akash_2020 , @Bhuvanitha_2020

Is answer around 1.05?

.39 is ans

Do we need to use relative motion concept here to find out time?
@akash_2020 @Sneha_2021

I have use coordinate system and find the pt by differentiating

Can you post that @akash_2020

I got nearly 0.27

Bigger M is not fixed

It's wrt wedge, also now I'm getting 0.35

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@Viram_2019 sir , @Shwetanshu_2018 broo please see it

Bro can you post the solution @akash_2020
I get 0.5 sec

Bro I did mistake again in calculating, now I am getting 0.39

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