3 years ago

One student bangs two bricks together

1 answer:

7 0

Answer:

This could be done if a stop watch is used to calculate the time taken to hear the echo and a rule should be used to calculate the distance between the bricks and the wall. Then divide distance by time

Explanation:

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astronauts in space cannot weigh themselves by standing on a bathroom scale. Instead, they determine their mass by oscillating o

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Answer:

The right answer is:

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(b) 0.725 m/s

Explanation:

The given query seems to be incomplete. Below is the attachment of the full question is attached.

The given values are:

T = 3 sec