Observe the given situation and answer the following
questions.
A train crosses a bridge with constant velocity
in 60 s as shown here. As the train crosses
the bridge, the train covers a distance equal to
its length and additional distance equal to the
length of the bridge to cross it.
If the train is moving with velocity 72 km/h,
then the time taken to cross the bridge is
A 2 s
B 5 s
C 22.5 s
D 20 s
22.5