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The ratio of masses of two planets is \(2 : 3\) and the ratio of their radii are \(4 : 7\). Find the ratio of their accelerations due to gravity.
 
Ratio of masses of two planets (\(m_1:m_2\)) \(=\)  :
 
Ratio of radius of two planets (\(r_1:r_2\)) \(=\)  :
 
The formula is
 
g=i×iii
 
On substituting the known data and rearranging the above equation we get,
 
\(Ratio\ of\ accelerations\ due\ to\ gravity\) (\(g_1:g_2\)) \(=\)  :