Two bodies of masses m_(1) and m_(2) are initially at rest a infinite distance apart. They are then allowed to move towards each other under mutual gravitaitonal attraction. Their relative velocity of approach at a separation distance r between them is

Two bodies of masses m_(1) and m_(2) are initially at rest a infinite

1.	Two bodies of masses m_(1) and m_(2) are initially at rest a infinite distance apart. They are then allowed to move towards each other under mutual gravitaitonal attraction. Their relative velocity of approach at a separation distance r between them is
Answer» <html><body><p>`[2G((m_(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)-m_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)))/(r)]^(1//2)`<br/>`[(2G)/(r)(m_(1)+m_(2))]^(1//2)`<br/>`[(r)/(2G(m_(1)m_(2)))]^(1//2)`<br/>`[(2G)/(r)m_(1)m_(2)]^(1//2)`</p>Answer :B</body></html>