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geniusboy [140]
2 years ago
11

Plzzzzz helppppp plzzzzzzzzzzzzzzzzzzzzzzz

Physics
2 answers:
QveST [7]2 years ago
8 0

Answer:

A. Refraction

Explanation:

<3

Helen [10]2 years ago
6 0

Answer:

A

Explanation:

ap3x

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You are conducting an experiment inside an elevator that can move in a vertical shaft. A load is hung vertically from the ceilin
Ivan

Answer: The elevator must be accelerating.

Explanation:

As the tension force is opposing to the the force of gravity on the load which is hung vertically, and the tension force can adopt any value in order to comply with Newton's 2nd law, if the tension force is less than the force due to gravity, this means that all system is not in equilibrium, so it must be accelerating.

If we assume that the downward is the positive direction, we can write:

mg - T = ma

If T = 0.9 mg, ⇒ mg (1-0.9) =0.1 mg = m a ⇒a = 0.1 g , in downward direction.

5 0
3 years ago
Electromagnetic waves differ from the other types of waves because they are
Ronch [10]

Correct answer choice is :



B) Able to travel through a vacuum.



Explanation:



Electromagnetic waves are applied to carry long/short/FM wavelength radio waves, and TV/telephone/wireless signals or services. They are also effective for transferring energy in the form of microwaves, infrared radiation, visible light, ultraviolet light, X-rays, and gamma rays. Electromagnetic waves change from mechanical waves in that they do not need a medium to generate. This means that electromagnetic waves can move not only in the air and solid matters but also in the void of space.


Read more on Brainly.com - brainly.com/question/1697984#readmore

4 0
3 years ago
Read 2 more answers
True or False: The average atomic mass is always closer to the isotope with the largest mass
svlad2 [7]
The awnser would be True. Hope I helped!
3 0
3 years ago
Two north magnets will do this
DerKrebs [107]

Answer:

Repel one another

Explanation

I am assuming you meant "two north poles will do this" Or something similar.

because you can't isolate poles, so a magnet wouldn't be just north

ANYWAYS i say repel because like terms repel, opposites attract.

5 0
3 years ago
What is the equation that defines work
mina [271]
Work=force*displacment
3 0
3 years ago
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