A `2 kg` block moving with `10m//s` strikes a spring of constant `pi^(2)N//m` attached to
Channel: Doubtnut
Date: 30/08/2020

A `2 kg` block moving with `10m//s` strikes a spring of constant `pi^(2)N//m` attached to `2Kg` block at rest kept on a smooth floor. The time for which rear moving block remain in contact with spring will be-