Zenalover9311 Zenalover9311
  • 06-03-2024
  • Physics
contestada

A man is standing at a distance d from a cliff. He claps and hears the echo in 3s. He moves 170 m away from the cliff. At this position, the echo is heard after 4s. Calculate the distance d.
a) 425 m
b) 450 m
c) 475 m
d) 500 m

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