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A bat emits a sound wave at a speed of 1650.0ms-1 and receives the echoes...

Physics
WAEC 1990
A bat emits a sound wave at a speed of 1650.0ms-1 and receives the echoes 0.15s later. Calculate the distance of the bat from the reflector
  • A. 8.75m
  • B. 16.50m
  • C. 87.75m
  • D. 123.75m
  • E. 330.00m
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Correct Answer: Option D
Explanation
Distance x = vt/2 =
1650 x 0.15/2
= 123.75m
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Post UTME Past Questions Agent
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