Answer:
v= 80 km/hr
Explanation:
Given that
Time t= 1 minute 48 seconds
We know that
1 min = 60 sec
1 sec= 1/60 min
1 hr = 60 min
1 min = 1/60 hr
t= 1/60 + 48/3600 hr
t= 0.03 hr
Given that distance d= 2400 m
d= 2.4 km
We know thart
d= v .t
v= speed
2.4 = v x 0.03
v= 80 km/hr