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3 years ago

Which body system is responsible for bringing oxygen into the body?

Physics

2 answers:

____ [38]3 years ago

3 0

The respiratory system

Semenov [28]3 years ago

3 0

I believe it is respiratory.
Digestive deals with food.
Circulatory deals with blood.
The musculoskeletal deals with body form and such.

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A charged cloud system produces an electric field in the air near earth's surface. a particle of charge -2.0 × 10-9 c is acted o

defon

Part a)

Magnitude of electric field is given by force per unit charge

$E = \frac{F}{q}$

$E = \frac{4.3 * 10^{-6}}{2 * 10^{-9}}$

$E = 2150 N/C$

Part b)

Electrostatic force on the proton is given as

F = qE

$F = 1.6 * 10^{-19} * 2150$

$F = 3.44 * 10^{-16} N$

PART C)

Gravitational force is given by

$F_g = mg$

$F_g = 1.6 * 10^{-27}*9.8$

$F_g = 1.57 * 10^{-26} N$

PART d)

Ratio of electric force to weight

$\frac{F_e}{F_g} = \frac{3.44 * 10^{-16}}{1.57*10^{-26}}$

$\frac{F_e}{F_g} = 2.2 * 10^{10}$

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4 years ago

Se o Universo tem uma idade definida, de aproximadamente 13,7 bilhões de anos, o que existiu antes do big-bang?

UkoKoshka [18]

Ninguém sabe exatamente

4 0

3 years ago

QUESTION 36

mel-nik [20]

Answer:

Explanation:

m = ρV = 1.03( 1000 kg/m³)(π(2² m²)(3.0 m)) = 12360π kg

m ≈ 38,830 kg

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3 years ago

Explain between the cause of high probability of accidents of loaded vehicles in over speed on the basis of the first law of mot

Setler [38]

Cause of high probability of accidents of loaded vehicles in over speed effected by momentum on the basis of first law of motion.

<h3>What does Newton's first law say?</h3>

When we are standing inside a bus and it brakes abruptly, due to inertia, we are thrown forward. When a car is going around a curve it is necessary for a force to act, otherwise the car will go in a straight line.

the cause of high probability of accidents of loaded vehicles in over speed occurs large amount of momentum.

See more about momentum at brainly.com/question/24030570

#SPJ1

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2 years ago

5. The rate at which an organism uses energy, measured in humans at complete<br> rest.

yuradex [85]

Answer:

n. Abbr. BMR. The rate at which energy is used by an organism at complete rest, measured in humans by the heat given off per unit time, and expressed as the calories released per kilogram of body weight or per square meter of body surface per hour.

Explanation:

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3 years ago