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2 years ago

Which is a benefit of using synthetic polymers, such as nylon?

Physics

2 answers:

ArbitrLikvidat [17]2 years ago

8 0

Answer: Synthetic polymers are lightweight.

Explanation:

alisha [4.7K]2 years ago

3 0

Answer:

Synthetic polymers are lightweight

Explanation: took the test

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Rina8888 [55]

The atomic nucleus consists of protons and neutrons.

Additional information:

Protons are positively charged particle and neutrons are negatively charged particle.

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2 years ago

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A force Fx=cx-3.00x2 acts on a virus as the virus moves along an x axis, with F measured in Newtons, x in meters, and c a consta

andrey2020 [161]

Answer:

Explanation:

We are given that

$F_x=cx-3x^2$

K.E at x=0 m=20 J

K.E at x=3 m=11 J

We have to find the value of c.

By work energy theorem

Work done=Change in kinetic energy

W= $\int_{0}^{3} Fdx=\int_{0}^{3}(cx-3x^2)dx$

$W=[\frac{cx^2}{2}-x^3]^{3}_{0}$

$W=\frac{9c}{2}-27$

$\Delta K=11-20=-9 J$

$-9=\frac{9c}{2}-27$

$-9+27=\frac{9c}{2}$

$18=\frac{9c}{2}$

$c=\frac{2}{9}\times 18=4$

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3 years ago

How does Bohr’s model of the atom compare with Thomson’s model? They both describe atoms as small, indivisible spheres. They bot

Snowcat [4.5K]

Answer:

They both describe atoms as being made up of positive and negative matter.

Explanation:

In both Bohr's model and Thomson model, the atom consists of positively-charged matter and negatively-charged matter. However, the structure of the atom in the two models is totally different:

- in Thomson's model, the atom consists of a large sphere of uniform positive charge, and electrons (which are negatively charged) are scattered all around inside this sphere

- In Bohr's model, the atom consists of a small, positively charged nucleus, while the electrons (negatively charged) orbit around the nucleus in precise orbits.

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2 years ago

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When a chemical reaction occurs in a sealed container, what is the total mass after the reaction compared to the total mass befo

oksano4ka [1.4K]

The answer is A. the same.

Since the container is sealed, their will be no loss of material from the container which means that the mass won’t vary.

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2 years ago

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The asteroid belt is located between Mars and Jupiter and contains thousands of asteroids.

Virty [35]

Im not understanding the question but this is true