A car crosses bridge with 54 km / hrs. if it takes 8 minutes to cross the bridge then find its length.
(a) 720 m
(b) 7200 m
(c) 7600 m
(d) 960 m
please explain this question don't forget it.
Answers
Answered by
8
Step-by-step explanation:
speed = distance/time
speed=54kmph = 54×1000/60×60
=15 m/s
time =8mins = 8×60 s =480s
distance = length of bridge = l m
15= l/480
l= 480×15 = 7200 m = 7.2 km
Answered by
7
Answer:
=> Speed = Distance / Time.
=> 54 = l ÷ 2/15
=> 54 × 15/2 = l
=> l = 405 km.
Step-by-step explanation:
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