Answer:
The right solution is "0.511".
Step-by-step explanation:
Given:
Initial moment of inertia,
= 1630 kg.m²
Radius,
= 5 m
Angular speed,
= 1.6 rad/s
Now,
The moment of inertia after stepping on will be:
=

=

=

hence,
As per the question, the angular speed is conserved, then
⇒



