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iren [92.7K]
3 years ago
13

If a substance cannot be separated by physical means or chemical means, it is ___________.

Physics
2 answers:
mojhsa [17]3 years ago
8 0
If a substance cannot be separated by physical means or chemical means, it is _an element_.
bogdanovich [222]3 years ago
5 0

If a substance cannot be separated by physical means or chemical means, it is _an element_.. your welcome :)

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Which one of the following scenarios accurately describes a condition in which resonance can occur?
oksian1 [2.3K]
I believe it's B. A vibrating tuning fork is struck and begins to vibrate as the object used to strike it is placed away from the tuning fork.
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3 years ago
A plane electromagnetic wave with wavelength 3.0 m, travels in free space in the+xdirection with its electric field vector~E, of
mart [117]

Answer:

    f =1 10⁸ Hz

Explanation:

The speed of an electromagnetic wave is given by

          c = Lam f

In our case, the wavelength is 3.0 m, so we can clear the frequency

         f = c / Lam

         f = 3 108/3.

         f =1 10⁸ Hz

6 0
3 years ago
Two cars are traveling in the same direction and with the same speed along a straight highway. Does either driver hear a differe
Trava [24]

Answer:

No, either driver can not hear a different frequency from the other car's horn than they would if the cars were stationary.

Explanation:

Either driver hear a different frequency from the other car's horn than they would if the cars were stationary if two cars are traveling in the same direction and with the same speed along a straight highway because neither driver experiences a Doppler shift

8 0
3 years ago
A large mass collides with a stationary, smaller mass. How will the masses behave if the collision is inelastic?
iragen [17]
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3 0
3 years ago
Can you please answer this question?
Sidana [21]
I think its b too but i may be wrong
5 0
3 years ago
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