A girl stand 80m away from a tall cliff and blows a whistle. If the speed of sound in air is 330ms^-1, how long would it take for her to hear the echo of the sound?

2.062s

0.970s

0.485s

0.242s

Correct Option

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10 years ago

2* 80÷ 330

10 years ago

I like be among scholars nd I will be glad to be oriented more of this subject for my forth coming exams tnx

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20th June, 2026

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A girl stand 80m away from a tall cliff and blows a whistle. If the speed of sound in air is 330ms-1, how long would it take for her to hear the echo of the sound?