Two stars each of one solar mass 2 x 1030 kg are approaching each other for a head on collision When they are 109 km apart their

Question

Two stars each of one solar mass 2 x 1030 kg are approaching each other for a head on collision When they are 109 km apart their speeds are negligible What is the speed with which they collide The radius of each star is 104 km Assume the stars remain undis torted until they collide Use the known value of G NCERT 2 6 x 106 m s 1

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