A stone was dropped from a bridge. what is the height of a bridge if splashing was heard after 5 second?
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Answered by
1
Explanation:
u = 0 m/s
a = 9.8 m/s²
t = 5s
s
= ut + 1/2at²
= 0 × 1 + 1/2 × 98/10 × 5 × 5
= 49/2 × 5
= 122.5 m
Answered by
0
Answer:
Given,
speed of sound in air = 350 m/s
time = 5 secs
By using speed formula,
speed = distance/time
=> distance/time = speed
=> distance = speed * time
=> distance = 350/5
=> distance = 70m
Therefore, the height of the bridge was 70 m
Explanation:
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