A bus is traveling at 72km/hr.Brakes are applied and the bus comes to

1.	A bus is traveling at 72km/hr.Brakes are applied and the bus comes to a stop after 10m.Find the retardation of the brakes
Answer» GIVEN:- Initial Velocity (U) = 72km/hr Distance (S) = 10m Final Velocity (V) = 0 To FIND:- Deceleration of the brakes. Solution:- 72km/hr → 72×5/18 U → 20m/sec As, V²-U² = 2as $→\;{\sf{0²-20² = 2×a×10}}$ $→\;{\sf{-20² = 20a}}$ $→\;{\sf{400/20 = a}}$ $→\;{\bf{a = 20m/s²}}$ Retardation = 20m/s². Hope It HELPS You ✌️