Physics-
General
Easy

Question

Block A of mass m is placed over a wedge B of same mass m. Assuming all surfaces to be smooth. The displacement of block A in 1 s if the system is released from rest is

  1. fraction numerator open parentheses 1 plus sin squared space theta close parentheses over denominator open parentheses 1 minus sin squared space theta close parentheses end fraction
  2. fraction numerator g sin space theta over denominator 2 end fraction
  3. g space fraction numerator cos squared begin display style space end style theta over denominator 1 plus sin squared space theta end fraction
  4. g fraction numerator sin squared begin display style space end style theta over denominator 1 plus sin squared space theta end fraction

The correct answer is: g fraction numerator sin squared begin display style space end style theta over denominator 1 plus sin squared space theta end fraction

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