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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![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]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "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]")