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Question 30

A girl standing some distance from the cliff claps her hands and hears the echo 0.8s later. calculate her distance from the cliff. [speed of sound in air = 320 ms-1]

  • A.23m
  • B.128m
  • C.288m
  • D.298m
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2015
Question no.
#30
Type
Objective
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