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3 years ago

Why should flexibility exercises be done in conjunction with strength-building exercises?

2 answers:

7 0

Flexibility exercises should be done in conjunction with strength-building exercises because:

They work together to maintain your overall level of fitness.

I hope my answer has come to your help. God bless and have a nice day ahead!

agasfer [191]3 years ago

7 0

Answer:

The answer is flexibility exercise allows muscles to perform strength exercises with greater capacity.

Explanation:

The strength-building exercise should be done in conjunction with the flexibility exercises because it allows us to protect our muscles and joints from possible injuries, in addition to providing us with a greater and better range of movement since a relaxed muscle has more ease of performing a rapid contraction and therefore more possibility of developing a greater force.

There is a direct relationship between flexibility and the ability to execute movements with power since a flexible muscle has an adequate capacity to exert its full power.

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3 years ago

A violin string vibrates at 260 Hz when unfingered. At what frequency will it vibrate if it is fingered one fourth of the way do

Advocard [28]

Answer:

346.66 Hz

Explanation:

$l_1$ = Length of string which is unfingered = l

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$f=\dfrac{1}{l}$

So,

$\dfrac{f_1}{f_2}=\dfrac{l_2}{l_1}\\\Rightarrow \dfrac{f_1}{f_2}=\dfrac{\dfrac{3}{4}l}{l}\\\Rightarrow \dfrac{f_1}{f_2}=\dfrac{3}{4}\\\Rightarrow f_2=\dfrac{4}{3}f_1\\\Rightarrow f_2=\dfrac{4}{3}260\\\Rightarrow f_2=346.66\ Hz$

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3 years ago

A total resistance of 3.03 Ω is to be produced by connecting an unknown resistance to a 12.18 Ω resistance. (a) What must be the

insens350 [35]

Answer:

(a) 4.0334Ω

(b)parallel

Explanation:

for resistors connected in parallel;

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Req =3.03Ω , R1 =12.18Ω

$\frac{1}{3.03 } =\frac{1}{12.18}+\frac{1}{R2}$

$\frac{1}{R2}=\frac{1}{3.03 }-\frac{1}{12.18}$

$\frac{1}{R2}=0.2479$

R2=1/0.2479

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Req = R1+R2

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3 years ago

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