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NARA [144]
3 years ago
9

Which represents a type of electromagnetic wave? A. slinky wave B. jump rope wave C. shortwave radio waves D. ocean wave

Physics
2 answers:
Dahasolnce [82]3 years ago
8 0
The only item on that list that's an electromagnetic wave
is C). shortwave radio waves.
earnstyle [38]3 years ago
7 0
The answer should be (C) short wave radio waves.

Electromagnetic waves are transverse waves, similar to shortwave radio waves.
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Answer:

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Explanation:

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The 'little brain' attached to the rear of the brainstem is called the: (2 points)
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Answer:

The 'little brain' attached to the rear of the brainstem is called the cerebellum. See the explanation below, please.

Explanation:

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A cube of iron (Cp = 0.450 J/g•°C) with a mass of 55.8 g is heated from 25.0°C to 49.0°C. How much heat is required for this pro
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Q = mcΔT 
<span>q = 55.8g x 0.450J/gC x 23.5C </span>
<span>q = 590. J ................ to three significant digits

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3 years ago
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The cable of a crane is lifting a 950 kg girder. The girder increases its speed from 0.25 m/s to 0.75 m/sin a distance of 5.5m
Umnica [9.8K]

Explanation:

a) How much work is done by gravity?

  • w = f x d
  • w = 950 x 10 x 5.5 = 52250j

b) How much work is done by tension?

  • v²=u²+2as
  • 0.75²=0.25²+2a x5.5
  • 0.56=0.06+2a x5.5
  • 2a x5.5 = 0.56 - 0.06
  • 2a x 5.5 =0.5
  • 11a=0.5
  • a = 0.5/11 = 0.05m/s²

w = f x d

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3 years ago
Wind and water power are types of<br>energy?<br>A)renewable<br>B)nonrenewable​
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A. they are both a renewable energy
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3 years ago
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