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balu736 [363]
3 years ago
13

The internal energy of a material is determined by _____.

Physics
2 answers:
devlian [24]3 years ago
8 0

its the combined amount of kinetic and energy molecules. if wrong then temperature for backup

lukranit [14]3 years ago
5 0

i believe i could be wrong but i think its kinetic energy.

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Are materials that dissolve in water hydrophobic or hydrophilic
stira [4]

Answer:

hydrophilic

Explanation:

hydrophobic means it hates water so a hydrophobic material would separate from the water and just sit there (an example of this is oil)

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What are the standard units of length, mass, and volume in the<br> metric system?
antoniya [11.8K]

Answer:

Meter, Gram and Liter.

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How long does it take for the speed of light and sound to travel around the world
irina [24]

-- Light travels straight, not around in a circle. But if it did, it would cover
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6 0
3 years ago
Starting from rest, a 2.1x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts
nirvana33 [79]

Answer:

1.327363 m/s

0.00090243 m

Explanation:

u = Initial velocity

v = Final velocity

m = Mass of flea

Energy

E=\frac{1}{2}m(v^2-u^2)\\\Rightarrow 3.7\times 10^{-4}=2.1\times 10^{-4}(v^2-0)\\\Rightarrow v=\sqrt{\frac{3.7\times 10^{-4}}{2.1\times 10^{-4}}}\\\Rightarrow v=1.32736\ m/s

The velocity of the flea when leaving the ground is 1.327363 m/s

W=F\times s\\\Rightarrow s=\frac{W}{F}\\\Rightarrow s=\frac{3.7\times 10^{-4}}{0.41}\\\Rightarrow s=0.00090243\ m

The flea will travel 0.00090243 m upward

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Please provide the choices to select the possible choices.
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