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GarryVolchara [31]
3 years ago
12

Which of the following describes plastic? HELP

Physics
1 answer:
Bingel [31]3 years ago
4 0

Answer:

D

Explanation:

A material that has a high resistivity and prevents charges from moving freely... it is part of insulators...

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A wave emitted from a source has a frequency of 10 Hz and wavelength 2.5 m. How much time will it take to reach a person located
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Answer:

time taken by the wave to reach the person is 0.2 s

Explanation:

As we know that the speed of the wave is given as

v = \lambda f

here we know that the wavelength of the wave is

\lambda = 2.5 m

f = 10 Hz

now speed of the wave is given as

v = 10(2.5)

v = 25 m/s

Now time taken by the wave to reach 5 m distance is

t = \frac{L}{v}

t = \frac{5}{25}

t = 0.2 s

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Have a pH between 0-7.
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Answer:

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Explanation:

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Smaller cars have less momentum than bigger cars. What’s in motion stays in motion but objects with more momentum (can be from weight or from speed but in this case it’s about weight) tend to stay in motion longer.
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2 years ago
What are atoms and elements?
gizmo_the_mogwai [7]

Answer:

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Which levels of government establish and implement educational requirements for minors
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Answer:

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Explanation:

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