A bat emits a sound wave at a speed of 1650.0ms -1 and receives the...
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
Correct Answer: D. 123.75m
Explanation
Distance x = vt/2 = 1650 x 0.15/2 = 123.75m
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