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Mama L [17]
3 years ago
9

Turn this scentence to repirted speach.i ate icecreamShe said that..........​

Physics
2 answers:
kenny6666 [7]3 years ago
7 0
Fvhjgxvbbdfhj if Dan kf xdhgxzsf
Luda [366]3 years ago
5 0

Answer:

dhfhffuththt9tr8tujtngigjtjrjrjrurur

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Which two possible explanations does the video give for why white light changes into colored light? Color is an impurity added t
Alex777 [14]

Answer:

White light contains seven colors, which are separated by the prism.

White light reacts with chemicals in the air to produce seven colors.

Explanation:

It was first observed by Sir Issac Newton, that when white light is passed through a prism, an elongated, coloured patch of light is obtained on a screen placed behind the prism. The seven colours obtained constitute the spectrum of white light.

In nature, white light is separated into its constituent wavelengths when white light interacts with substances in the atmosphere.

3 0
3 years ago
A box is against a wall. A person pushes on the box, but the box does not move. Is this
Serhud [2]

Answer:

it is a force

Explanation:

a force is a push or a pull

7 0
2 years ago
Read 2 more answers
What happens to the density if the volume of an object decrease and the mass remains the same?
vekshin1
The density would increase because you still have the same amount of weight, but it is just packed more tightly in a smaller object.
7 0
2 years ago
A popular car stereo has four speakers, each rated at 60 W. In answering the following questions, assume that the speakers produ
Fantom [35]

Answer:

Explanation:

Intensity of sound = sound energy emitted by source / 4 π d² , where d is distance of the source .

A )

Intensity of sound at 1 m distance = 60 /4 π d²

d = 1 m

Intensity of sound at 1 m distance = 60 /(4 π 1²)

= 4.78 W m⁻² s⁻¹

B )

Intensity of sound at 1.5 m distance = 60 /4 π d²

d = 1.5  m

Intensity of sound at 1 m distance = 60 /(4 π 1.5²)

= 2.12 W m⁻² s⁻¹

C )

Intensity of sound due to 4 speakers at 1.5 m distance = 4 x 60 /4 π d²

d = 1.5  m

= 4 x 60 /(4 π 1.5²)

= 8.48 W m⁻² s⁻¹

D )

Intensity of sound due to .06 W speaker must be 10⁻¹² W s ⁻² . Let the distance be d .

.06 /4 π d² = 10⁻¹²

d² = .06 /4 π 10⁻¹²

d = 6.9 x 10⁴ m .

7 0
3 years ago
How many valence electrons does boron have
mel-nik [20]
The correct answer is 2
6 0
3 years ago
Read 2 more answers
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