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joja [24]
3 years ago
6

Please need some help on this

Physics
1 answer:
tatuchka [14]3 years ago
4 0
Sorry I just need to answer
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Which is true about a surface wave? ANSWER FAST
Anna [14]

Answer:

D

Explanation:

6 0
3 years ago
Can A positively charged body attract another positively charged body​
andriy [413]

Like charges repel, unlike charges attract

Two protons will also tend to repel each other because they both have a positive charge. On the other hand, electrons and protons will be attracted to each other because of their unlike charges.

So I would say no, unless the two bodies are placed close to each other where one has much more charge than the other, then due to induction, force of attraction becomes more than the force of repulsion.

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3 years ago
Stronauts in space need to communicate with each other by radio links because
dybincka [34]

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Because there is nothing out in space , the sound waves from one astronaut's whistling can't travel over to the other astronaut's ears.

7 0
3 years ago
Complete the following:
masha68 [24]

When light is incident parallel to the principal axis and then strikes a lens, the light will refract through the focal point on the opposite side of the lens.

To find the answer, we have to know about the rules followed by drawing ray-diagram.

<h3>What are the rules obeyed by light rays?</h3>
  • If the incident ray is parallel to the principal axis, the refracted ray will pass through the opposite side's focus.
  • The refracted ray becomes parallel to the major axis if the incident ray passes through the focus.
  • The refracted ray follows the same path if the incident light passes through the center of the curve.

Thus, we can conclude that, when light is incident parallel to the principal axis and then strikes a lens, the light will refract through the focal point on the opposite side of the lens.

Learn more about refraction by a lens here:

brainly.com/question/13095658

#SPJ1

8 0
1 year ago
If nothing is faster than light, how did the dark get there first? O.o
erastova [34]
Nothing is faster than light. Dark is the absence of light, or indeed anything at all. ... Darkness came before light, so light had to be created to get there. It's like turning on s flashlight in a dark room: the darkness is already there, and an outside source (you/the flashlight) needs to create light.
4 0
3 years ago
Read 2 more answers
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