Laws of Motion: JEE Main 2022 Physics question

JEE Main 2022 · 27 Jul, Evening shift · Q7570

JEE Main 202227 Jul, Evening shiftPhysicsMediumLaws of Motion70× since 2002

A block 'A' takes 2 s to slide down a frictionless incline of 30

^\circ

and length 'l', kept inside a lift going up with uniform velocity 'v'. If the incline is changed to 45

^\circ

, the time taken by the block, to slide down the incline, will be approximately :

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JEE Main 2022 · 27 Jul, Evening shift · Q7570

JEE Main 202227 Jul, Evening shiftPhysicsMediumLaws of Motion70× since 2002

A block 'A' takes 2 s to slide down a frictionless incline of 30

^\circ

and length 'l', kept inside a lift going up with uniform velocity 'v'. If the incline is changed to 45

^\circ

, the time taken by the block, to slide down the incline, will be approximately :