AP and TS EAMCET Engineering Model Paper 5

Question : 81 of 160

Marks: +1, -0

PHYSICS

Two stars, each of mass m and radius R are approaching each other for a head-on collision. They start approaching each other when their separation is r>>R. If their speeds at this separation are negligible, the speed with which they collide would be

v=√GM(
1
R
−
1
r
)
v=√GM(
1
2R
−
1
r
)
v=√GM(
1
R
+
1
r
)
v=√GM(
1
2R
+
1
r
)

Validate

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