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Contact [7]
3 years ago
11

WILL GIVE BRAINLY

Physics
2 answers:
zlopas [31]3 years ago
6 0
I'm pretty sure that its A. collapse of an Interstellar cloud.
saveliy_v [14]3 years ago
3 0
The answer is a because i asked
 
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A star's life is a battle between what two forces?
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The outward push of the core created by nuclear fusion and the inward pull of gravity from the core
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4 years ago
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a person can throw a 300 gram ball at 25 m/s the maximum height the person can throw the ball on Earth?​
jolli1 [7]

Answer:

Elevation =31.85[m]

Explanation:

We can solve this problem by using the principle of energy conservation. This consists of transforming kinetic energy into potential energy or vice versa. For this specific case is the transformation of kinetic energy to potential energy.

We need to first identify all the input data, and establish a condition or a point where the potential energy is zero.

The point where the ball is thrown shall be taken as a reference point of potential energy.

E_{p} = E_{k} \\where:\\E_{p}= potential energy [J]\\ E_{k}= kinetic energy [J]

m = mass of the ball = 300 [gr] = 0.3 [kg]

v = initial velocity = 25 [m/s]

E_{k}=\frac{1}{2}  * m* v^{2} \\E_{k}= \frac{1}{2} * 0.3* (25)^{2} \\E_{k}= 93.75 [J]

93.75=m*g*h\\where:\\g = gravity = 9.81 [m/s^2]\\h = elevation [m]\\replacing\\h=\frac{E_{k}}{m*g} \\h=\frac{93.75}{.3*9.81} \\h=31.85[m]

5 0
4 years ago
Help!?!?!??!!?!?!?!?!?!?!
Marysya12 [62]

D only kinetic energt because if it had heluim or any thing jt will float up

4 0
3 years ago
What is it called when something dissolves into something else
Evgen [1.6K]

Answer:

The correct answer is dissolving and the end product is a solution.

Explanation:

Solubility is an property of a substance to get dissolved into another. When a substance, termed as solute, dissolves in another substance, termed as solvent, we get a solution.

Larger molecules of the solute breaks because of weak covalent bonds between their molecules and pairs up with the smaller molecules of the solvent and thus dissolves in it. Not all elements can serve solutes or solvents as some have strong forces that bind them together. For example sugar is a solute in water but oil is not soluble in water.

7 0
3 years ago
What inflammatory molecule aids with muscle building and is released when muscles experience microscopic damage?
Reika [66]

Answer:

Cytokines

Explanation:

Cytokines are known as inflammatory molecules which are also proteinous and aid signaling of certain processes and conditions in the body.

They are also normally involved in aiding muscle building and are released when muscles experience microscopic damage which may lead to the muscles being sore.

3 0
3 years ago
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