Question

Atrian 121 is running at a speed of 50 km per hour what time will it take to cross a 113 M long Bridge

Answer 1

Solution:-
Speed=50km/h
$= > 50 \times \frac{5}{18}$
=>125/9 m/s

Total distance=121+113
=234m

Since,
$time = \frac{distance}{speed } \\ = > \frac{234}{ \frac{125}{9} } \\ = > \frac{234 \times 9}{125}$
$= > 16.848$
Hence,to cross 113m long bridge he would take 16 seconds (minimum).