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Two particles of mass m1 and m2 are approaching towards each other under their mutual gravitational field.If the speed of the particle is v,the speed of the center of mass is equal to
a.(m1/m2)v
b.zero
c.(m1-m2)v/(m1+m2)
d.(m2/m1)v
The net force on the centre of mass is zero. hence the centre of mass remains at rest .the speed of centre of mass of system is zero . so the correct option is B (zero)
then what is the correct option ??? its B
CORRECT ANSWER IS C
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