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Question: Answered & Verified by Expert
A block is hanged from spring in a cage. Elongation in spring is x1=42 mm and x2=32 mm mm when cage moves up and down respectively with same acceleration. The expansion (in mm) in spring when the cage moves horizontally with the same acceleration.
PhysicsLaws of MotionJEE Main
Solution:
1807 Upvotes Verified Answer
The correct answer is: 5

x1=mkg+a

x2=mkg-a

x3=mkg2+a2

 x12+x22=m2k22g2+a2=2x32

x3=x12+x222=2(16+9)2=5

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