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Priyaranjan Hembram

2 weeks before

physics MCQ XI

Description Image

how to solve


Vijay Kumar

2 weeks before

Think about this: If the block goes down by 12 mm then the spring will stretch double this length. Then simply apply conservation of energy as follows: Change in potential energy of spring = Change in potential energy of block + change in kinetic energy of block
Vijay Kumar

2 weeks before

you should get option a