a man crosses a bridge in 7 1/2 seconds if his speed is 13 1/2 km an hour how long is the bridge
Answers
Answered by
9
Answer:
t = 7.5 seconds
s = 13.5 km/hr
therefore, speed in meters,
s(in meters)= 13.5 × 1000 = 135m/s 60 × 60 36
speed = distance
time
distance = speed × time
= 135 × 7.5
36
= 28.125 meters = DISTANCE
Answered by
2
Answer:
Step-by-step explanation:
Time=7.5 s
Speed 13.5 km/h
13.5x 5/18=7.5
Distance= Speed/Time
7.5/7.5=1km
The distance of the bridge is 1 km
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