3 years ago

Examples of energy balance: physical education

Physics

1 answer:

mart [117]3 years ago

7 0

Answer:children burn calories to being a student

Explanation:That mean when a children getting ready to go to high school

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you cover 10 meters in a time of 1 second .Is your speed the same if you cover 20 meters in 2 seconds?

IrinaVladis [17]

Definition:
Speed = (distance covered) / (time to cover the distance).

Speed in the first example = (10 meters) / (1 second) = 10 m/s .

Speed in the second example = (20 meters) / (2 seconds) = 10 m/s.

Apparently, it is. This little exercise demonstrates it.

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3 years ago

A trumpet player is tuning his instrument by playing an A note simultaneously with the first-chair trumpeter, who has perfect pi

KIM [24]

To develop this problem, it is necessary to apply the concepts related to Beat

The Beat is an acoustic phenomenon that is generated by two sine waves interfering with slightly different frequencies. The beat frequency is equal to the difference in the frequencies of the two original waves:

$f_{bat} = |(f_1 \pm f_B)|$