The lengths of smooth & rough inclined planes of inclination `45^(@)` is same Times of
Channel: Doubtnut
Date: 2020-08-23

The lengths of smooth & rough inclined planes of inclination `45^(@)` is same Times of sliding of a body on two surface `t_(1)t_(2)` and `mu =0.75` then `t_(1):t_(2)=` .