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LenKa [72]
3 years ago
10

It is important to wear protective equipment in both practice and games.

Physics
1 answer:
Ede4ka [16]3 years ago
4 0

Answer:

OT

It is important to wear protective equipments during games and practices.

Explanation:

Practice is a review of what is about to happen in some time to come and with practice ,the future can be trusted.

During practice it is very important to use protective gears or equipments because without them, injuries and accidents are liable to occur.

During the major game it is also important to prevent accidents or big injuries as the equipments protect each vital part of the body.

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Piano tuners tune pianos by listening to the beats between the harmonics of two different strings. When properly tuned, the note
mote1985 [20]

Answer:

Frequency = 658 Hz

Explanation:

The third harmonics of A is,

f_{A}=(3)(440Hz)=1320Hz

The second harmonics of E is,

f_{E}=(2)(659Hz)=1318Hz

The difference in the two frequencies is,

delta_f = 1320 Hz - 1318 Hz = 2 Hz

The beat frequency between the third harmonic of A and the second harmonic of E is,

delta_f = 3f_{A}-2f_{E}

f_{E}=\frac{3f_{A}-delta_f}{2}

We have calculate the frequency of the E string when she hears four beats per second, then

delat_f = 4 Hz

f_{E}=\frac{3(440Hz)-4Hz}{2}

f_{E}=658Hz

Hope this helps!

5 0
3 years ago
Complete the wording of the Law of Conservation of Matter and Energy (as defined in the text).
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Answer:

Neither "matter" nor "energy" can be created or destroyed, but they can be changed from one form to the other.

Explanation:

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The rate which light flows through a given area of space is referred to as ita
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Hey there! 

The correct answer to your question is: Intensity

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