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cupoosta [38]
3 years ago
6

Granite and _____ have similar chemistries.

Physics
1 answer:
Over [174]3 years ago
3 0
The answer is Basalt have similar chemistries.
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In photography what are clouds best described as?
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gas

Explanation:

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When a bicycle coasts uphill, it moves slower and slower as it climbs. Why?
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Letter B because it is gaining more potential energy as it SLOWLY climbs up the hill.

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3 years ago
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Two protons are aimed directly toward each other by a cyclotron accelerator with speeds of 1200 km/s , measured relative to the
Radda [10]

Answer:

The maximum electrical force is 2.512\times10^{-2}\ N.

Explanation:

Given that,

Speed of cyclotron = 1200 km/s

Initially the two protons are having kinetic energy given by

\dfrac{1}{2}mv^2=\dfrac{1}{2}mv^2

When they come to the closest distance the total kinetic energy is converts into potential energy given by

Using conservation of energy

mv^2=\dfrac{kq^2}{r}

r=\dfrac{kq^2}{mv^2}

Put the value into the formula

r=\dfrac{8.99\times10^{9}\times(1.6\times10^{-19})^2}{1.67\times10^{-27}\times(1200\times10^{3})^2}

r=9.57\times10^{-14}\ m

We need to calculate the maximum electrical force

Using formula of force

F=\dfrac{kq^2}{r^2}

F=\dfrac{8.99\times10^{9}\times(1.6\times10^{-19})^2}{(9.57\times10^{-14})^2}

F=2.512\times10^{-2}\ N

Hence, The maximum electrical force is 2.512\times10^{-2}\ N.

8 0
3 years ago
How much heat is absorbed by 60 g of copper when it is heated from 20°C to 80°C?
ira [324]

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1,836J

Explanation:

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Definition of fluoresence
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the property of absorbing light of short wavelength and emitting light of longer wavelength.

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YW

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