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rjkz [21]
3 years ago
8

Different wavelengths of light are seen as different. A. Atoms B. Sounds C. Colors D. Speeds

Physics
1 answer:
attashe74 [19]3 years ago
7 0
Different wavelengths of light are seen as colors
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Power is the rate at which work is done (2nd option)
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3 years ago
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What is the relationship between lightning and atoms
Rufina [12.5K]

Answer:

The answer is A

Explanation:

Lightning is formed by electrons in the air

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3 years ago
Un automóvil acelera de 0 a 140 km/h en 9.8 segundos, determina su aceleración
guajiro [1.7K]

Answer:

The acceleration is 14.28 km/h^2

Explanation:

Step one:

Given data

initial speed u= 0 km/h

final speed v= 140km/h

time t= 9.8 seconds

Required

The acceleration of the car

Step two:

From a= v-u/t

substitute

a= 140-0/9.8

a=140/9.8

a=14.28 km/h^2

6 0
3 years ago
How does diffraction enable somebody to hear your voice from anywhere in the room?
Vilka [71]
Diffraction means spreading out of waves that has the same wavelength as the size of the gap. Sound waves have high wavelength and so it diffracts\spreads out and enables anyone to hear your voice from anywhere outside the room.

For inside the room, the sound waves doesn't actually diffract. They collide with the air particles, causing a series of compressions and rarefactions which spreads out in the air particles and anyone can hear your voice.

Air is the medium for the sound waves to travel.
4 0
3 years ago
The cerebral cortex is divided into two halves called cerebral hemispheres. Please select the best answer from the choices provi
Ymorist [56]

The cerebral cortex is divided into two halves called cerebral hemispheres.

<h2><u><em>                                      True                                       </em></u></h2>

                                                    is your answer :)

6 0
3 years ago
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