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Doss [256]
2 years ago
5

Which are characteristics of the speed of light? Check all that apply.

Physics
2 answers:
natali 33 [55]2 years ago
7 0
The speed of light is the speed all waves travel ?
No, only the speed of all electromagnetic waves.
It's different for ocean waves, rope waves, sound waves,
guitar-string waves, slinky waves, etc.

The speed of light is the speed electromagnetic waves travel ?
Yes.  Light is one of the electromagnetic waves.

The speed of light is 3.0 x 108 m/s in space ?
Yes.  That's a good approximation, and a nice easy number
to remember. 
It's only about 0.07% faster than the real number:  2.99792458 x 10⁸ m/s .

The speed of light is the same in all matter ?
No.  It's different in every substance, and the speed in any
substance is less than the speed in space (vacuum).

The speed of higher frequency light slows down
more than
lower frequency light in matter ?
Yes, slightly.  That's why the colors spread out on the way
through a prism to make a spectrum, or on the way through
raindrops to make a rainbow.
Vesnalui [34]2 years ago
4 0

Answer:

B C and E

Explanation:

B: The speed of light is the speed electromagnetic waves travel

C: The speed of light is 3.0 x 108 m/s in space.

E: The speed of higher frequency light slows down more than lower frequency light in matter.

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enyata [817]
Velocity is speed and the direction of the speed. Acceleration is the rate at which Velocity is changing, and the direction in which it's changing.
6 0
3 years ago
How many millimeters are 120 meters ? Help ! Please <3
blsea [12.9K]

Answer:

120,000

Explanation:

Millimeters to meters calculation-

Multiply by 1,000.

120 x 1,000 = 120,000.

This is the correct answer and formula.

Hope this helps!

8 0
3 years ago
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Complete the passage to describe the relationship between kinetic energy, internal energy, thermal energy, and
butalik [34]

Answer:

Increases

Increases

Increases

Explanation:

I don't know if you answered your own question but I'll just answer this for others confused ahh

4 0
2 years ago
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19. After a snowstorm, you put on your frictionless skis and tie a rope to the back of your friend’s truck. Your total mass is 7
Kisachek [45]

Explanation:

It is given that,

Total mass is 70 kg

The truck exerts a constant force of 20 N.

Then the net force is given by :

F = ma

a is acceleration of rider

a=\dfrac{F}{m}\\\\a=\dfrac{20}{70}\\\\a=\dfrac{2}{7}\ m/s^2

Initial velocity of rider is 0. So, using equation of kinematics to find the final velocity as :

v=u+at\\\\v=at\\\\v=\dfrac{2}{7}\times 15\\\\v=4.28\ m/s

Since, 1 m/s = 2.23 mph

4.28 m/s = 9.57 mph

So, the speed of the rider is 4.28 m/s or 9.57 mph.  

5 0
2 years ago
What is the equation for the enthalpy of vaporization?
Natalka [10]

Answer: Use the formula q = m·ΔHv in which q = heat energy, m = mass, and ΔHv = heat of vaporization.

4 0
2 years ago
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