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.

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A. 8.75m
B. 16.50m
C. 87.75m
D. 123.75m
E. 330.00m

Correct Answer:

Option D – 123.75m

Explanation

Distance x = vt/2 =
1650 x 0.15/2
= 123.75m

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