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-Dominant- [34]
3 years ago
6

Homeostasis is the regulation of an organism’s internal environment to maintain conditions suitable for life. Homeostasis requir

es
A) competition between the body’s systems.
B) balance between all of the body’s systems.
C) the body’s systems to act independently of each other.
D) maximum growth of all types of cells and tissues within the body.
Physics
2 answers:
kherson [118]3 years ago
5 0
I think it would be B
serious [3.7K]3 years ago
5 0

Answer:

B) balance between all of the body’s systems.

Explanation:

usatestprep

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Derive a relation between Universal Gravitational Constant (G) and Acceleration due to gravity(g)?
snow_tiger [21]
Suppose earth is a soid sphere which will attract the body towards its centre.So, acc. to law of gravitation force on the body will be,
F=G*m1m2/R^2
but we now that F=ma
and here accleration(a)=accleration due to gravity(g),so
force applied by earth on will also be mg
replace above F in formula by mg and solve,
F=G*mE*m/R^2                             ( here mE is mass of earth and m is mass of body)
mg=G*mEm/R^2
so,
g =G*mE/R^2




4 0
3 years ago
Read 2 more answers
a 100g ice cube at 0 degrees celsius is placed in 650 grams of water at 25 degrees celsius. When the mixture reaches equillibriu
Artyom0805 [142]

Answer:

The latent heat of fusion of water is 334.88 Joules per gram of water.

Explanation:

Let the latent heat of ice be 'x' J/g

1) Thus heat absorbed by 100 gram of ice to get converted into water equals

Q_1=100\times x

2) heat energy required to raise the temperature of water from 0 to 25 degree Celsius equals

Q_2=100\times 4.186\times 11=4604.6Joules

Thus total energy needed equals Q_1+Q_2=100x+4604.6

3) Heat energy released by the decrease in the temperature of water from 25 to 11 degree Celsius is

Q_3=650\times 4.186\times (25-11)\\\\Q_{3}=38092.6Joules

Now by conservation of energy we have

Q_1+Q_2=Q_3\\\\100x+4604.6=38092.6\\\\\therefore x=\frac{38092.6-4604.6}{100}=334.88J/g

6 0
3 years ago
The earth’s orbit is oval in shape . Explain how the magnitude of gravitational force between earth and sun changes as earth mov
aleksandr82 [10.1K]

Answer:

The gravitational force does change believe it or not, but the explaination for this is because the earths orbit is an oval (or a not circle) the closer it nears its self to the sun. the suns gravitational pull, pulls the earth to it bringing it closer and as it reaches the other side lets call this L when it reaches L it becomes the same gravitational pull reset as P is and another section over the sun lets call this M and when it reaches M its the same pull as Q, you get it now?

3 0
3 years ago
A ball is thrown upwards. Neglecting air resistance, what initial upward speed does the ball need to remain in the air for a tot
melamori03 [73]

Answer:

H = 1/2 g t^2     time to reach top of trajectory

v = g t   time to reach top of trajectory when v is initial speed upwards

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I do not know the answer so check Google Google helps

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