A vertical disc has three grooves directed along chords AB, AC and AD. Three bodies begin to slide down the respective grooves from A simultaneously. If AB gt AC gt AD, the respective time intervals to reach the bottom of the respective groovest_(1), t_(2) and t_(3) are

A vertical disc has three grooves directed along chords AB, AC and AD.

1.	A vertical disc has three grooves directed along chords AB, AC and AD. Three bodies begin to slide down the respective grooves from A simultaneously. If AB gt AC gt AD, the respective time intervals to reach the bottom of the respective groovest_(1), t_(2) and t_(3) are
Answer» `t_(1) GT t_(2) gt t_(3)` `t_(1) lt t_(2) lt t_(3)` `t_(1) gt t_(2) lt t_(3)` `t_(1)=t_(2)=t_(3)` Answer :D