The loudness<span> of a sound is linked to the size of the vibration which produces it. A big vibration makes a louder sound. Scientists use the word '</span>amplitude<span>' for the size of waves. For waves on water, it is easy to measure the </span>amplitude<span>.</span>
Answer:
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Explanation:
Answer: maximum height= 40.8m
Explanation: shown in the attachment.
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s = displacement; u = initial velocity; t = time of motion