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3 years ago

11

Cardiorespiratory fitness improves the efficiency of the cardiovascular and the respiratory systems in delivering oxygen to the

body
T
or
F

1 answer:

algol [13]3 years ago

4 0

Your answer should be T

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Consider a long, thin rod with a length of 3 m rotating about it's end. This rod has a moment of inertia of 12 kg·m2 about this

Orlov [11]

Answer:

The mass of the rod is 16 kg.

Explanation:

Given that,

The length of a rod, L = 3 m

The moment of inertia of the rod, I = 12 kg-m²

We need to find the mass of the rod. The moment of inertia of the rod of length L is given by :

$I=\dfrac{ML^2}{12}$

Where

M is mass of the rod

$M=\dfrac{12I}{L^2}\\\\M=\dfrac{12\times 12}{(3)^2}\\\\M=16\ kg$

So, the mass of the rod is 16 kg.

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3 years ago

One thing that I cannot forget in this module is _

Darina [25.2K]

Answer:

The stress.

Yes i cannot forget the stress

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2 years ago

The upper, plastic-like part of Earth that the plates ride on is called the _____.

zhenek [66]

Hey! The upper, plastic-like part of earth that the plates ride on are called the (Asthenosphere) I hope this helps! :)

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3 years ago

Read 2 more answers

Please help ASAP 50 points

chubhunter [2.5K]

Answer:

True.

Explanation:

A more practical use of constellations was for agriculture. Before calendars were invented farmers relied on the stars to determine when to sow and harvest their crops. Constellations made the patterns of the stars easy to remember. ... Constellations allowed farmers to plan ahead.

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3 years ago

10 N<br> 30 N<br> 4kg<br><br> net force =<br> a=f/m=

ICE Princess25 [194]

Answer:

$a=5\ m/s^2$

Explanation:

Two forces are 10 N and 30 N. Let us assume that two forces are acting in opposite directions. Net force will be :

F = 30 N - 10 N = 20 N

Now,

F = ma

⇒ a = F/m

So,

$a=\dfrac{20}{4}\\\\a=5\ m/s^2$

So, the acceleration of the object is $5\ m/s^2$ .

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3 years ago