Three masses 200 kg, 300 kg and 400 kg are placed at the vertices of an equilateral triangle with sides 20 m. They are rearranged on the vertices of a bigger triangle of side 25 m and with the same centre. The work done in this process __________ J.(Gravitational constant G = $6.7 imes 10^{-11} ext{ N m}^2 / ext{ kg}^2$)

Question

Three masses 200 kg, 300 kg and 400 kg are placed at the vertices of an equilateral triangle with sides 20 m. They are rearranged on the vertices of a bigger triangle of side 25 m and with the same centre. The work done in this process __________ J.(Gravitational constant G = $6.7 	imes 10^{-11} 	ext{ N m}^2 / 	ext{ kg}^2$)

Accepted Answer

$1.74 	imes 10^{-7}$

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