the two block shown here rest on a frictionless surface. If they are pulled apart by a small distance and released at `t=0`, the time when `1kg` block comes to rest can be-

A. `(2pi)/(3)sec`.
B. `pi sec`.
C. `(pi)/(3) sec`.
D. `(pi)/(9)sec`.

A. `(2pi)/(3)sec`.
B. `pi sec`.
C. `(pi)/(3) sec`.
D. `(pi)/(9)sec`.
Correct Answer – A::B::C