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crimeas [40]
3 years ago
11

What is the overall function of the circulatory system and how do the organs of this system work together to achieve this goal?

Physics
1 answer:
ale4655 [162]3 years ago
8 0

Answer:

The main purpose of the circulatory system is to transport blood, oxygen, nutrients and hormones to and from different cells and tissues throughout the body.

Explanation:

This system works hand-in-hand with the respiratory system to facilitate the exchange of oxygen and carbon dioxide within the blood per the alveoli in the lungs.

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Development is best described as:
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A. Change that normally occurs in people throughout their lifetimes.

Explanation:

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3 years ago
Read 2 more answers
A 2.3 kg , 20-cm-diameter turntable rotates at 110 rpm on frictionless bearings. Two 460 g blocks fall from above, hit the turnt
boyakko [2]

Answer:

The correct solution is "64 RPM".

Explanation:

The given values are:

Mass,

M = 2.3 kg

Diameter,

D = 20 cm

i.e.,

   = 0.2 m

Rotates at,

N = 110 rpm

Mass of block,

m = 460 g

i.e.,

   = 0.46 kg

According to angular momentum's conservation,

⇒  I_1\omega_1=I_2\omega_2

then,

⇒  I_1=\frac{1}{2}MR_2

On substituting the values, we get

⇒      =\frac{1}{2}\times 2.3\times (0.1)^2

⇒      =\frac{1}{2}\times 0.023

⇒      =0.0115 \ kg \ m^2

Now,

⇒  I_2=I_1+2mR^2

        =0.0115+2\times 0.46\times (0.1)^2

        =0.0115+0.0092

        =0.02 \ kg \ m^2

then,

⇒  0.0115\times 110=0.02\omega_2

⇒              1.265=0.02\omega_2

⇒                  \omega_2=\frac{1.265}{0.02}

⇒                       =63.25 \ or \ 64 \ RPM

7 0
3 years ago
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