Two people start at the same place and walk around a circular lake in opposite directions. One has an angular speed of 1.7 multiplied by 10-3 rad/s,...

Two people start at the same place and walk around a circular lake in opposite directions. One has an angular speed of 1.7 multiplied by 10-3 rad/s, while the other has an angular speed of 3.2 multiplied by 10-3 rad/s. How long will it be before they meet?