A man facing a high wall notices that an echo is heard 4.0 seconds qfter he makes a sound. After walking 200m directly towards the cliff, an echo is heard after 3.4 seconds. Calculate the speed of the sound and the distance from the wall when he made his second observation
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how much is a cylinder and I have a bottle
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Explanation:
you can find the distance by the formula by distance = speed x time and after that you can use the formula speed = 2x distance / time.
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