physics
mechanics
Easy

Question

Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radii 8 pi m rightwards arrow over short leftwards arrow divided by rightwards arrow over short leftwards arrow s squared and  equals 4 pi squared n squared r equals 4 pi squared open parentheses 1 half close parentheses squared cross times 4 equals 4 pi squared such that their periods are the same. Then the ratio between their centripetal acceleration is

  1. omega equals square root of fraction numerator p cross times A over denominator m r end fraction end root equals square root of fraction numerator 4.8 cross times 10 to the power of 7 cross times 10 to the power of negative 6 end exponent over denominator 10 cross times 0.3 end fraction end root
  2. m omega squared r
  3. m omega squared r equals p cross times A
  4. omega equals 4 r a d divided by s e c

The correct answer is: m omega squared r

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