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julia-pushkina [17]
3 years ago
14

Suppose your study partner made this table to help you remember the differences between electromagnetic waves. What is incorrect

about this table? Review the image and then answer the question, please.

Physics
1 answer:
zheka24 [161]3 years ago
6 0

Answer:

The order of the waves are all messed up, and everything else is backwards. The order of the waves should be Radio, Micro, Infrared, Visible, UV, X-ray, and then Gamma Rays

Explanation:

In the order of Radio, Micro, Infrared, Visible, UV, X-ray, and then Gamma Rays, the wave length goes from shorter waves to longer, this is often confused in the way that shorter waves have more waves within a certain amount of time. The amount of waves per second is the frequency.

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What is the potential energy of a spring that is compressed 0.65 m by a 25 kg block if the spring constant is 95 N/m?
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E=F*d/2 = M*g*d/2 = 25kg * 9.8 N/kg *0.65m / 2 = 79.625J
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3 years ago
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what is the density of a substance that has a mass of 2.0 g , and when placed in a graduated cylinder the volume changed from 70
lubasha [3.4K]

A material with a mass of 2.0 g when placed in a graduated cylinder the volume changed from 70 ml to 75 ml has a density of 0.4 g/mL.

How do I calculate the substance's density?

We'll start by getting the substance's volume. This is attainable as follows:

Water volume: 70 mL

75 mL = volume of material + water.

Substance volume =?

Substance volume equals (substance volume plus water) - (Volume of water)

Substance volume = 75 - 70

5 mL is the substance's volume.

Finally, we will calculate the substance's density. Below is an example to help:

2.0 g is the substance's mass.

5 mL is the substance's volume.

Substance density =?

Mass / volume equals density.

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0.4 g/mL is the substance's density.

The density is therefore 0.4 g/mL.

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6 0
1 year ago
A computer is connected across a 110 V power supply. The computer dissipates 123 W of power in the form of electromagnetic radia
nexus9112 [7]

Answer:

81.3ohms

Explanation:

Resistance is known to provide opposition to the flow of electric current in an electric circuit.

Power dissipated by the computer is expressed as;

Power = current (I) × Voltage(V)

P = IV... (1)

Note that from ohms law, V = IR

I = V/R ... (2)

Substituting equation 2 into 1, we will have;

P = (V/R)×V

P = V²/R.. (3)

Given source voltage = 100V, Power dissipated = 123W

To get resistance R of the computer, we will substitute the given value into equation 3 to have

123 = 100²/R

R = 100²/123

R = 10,000/123

R = 81.3ohms

The resistance of the computer is 81.3ohms

3 0
3 years ago
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A heliocentric system is _____-centered.<br><br> Milky Way<br> Earth<br> Moon<br> Sun
madreJ [45]

Answer: Sun

Explanation:

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3 years ago
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Water flows through a garden hose which is attached to a nozzle. The water flows through hose with a speed of 1.81 m/s and throu
Serggg [28]

Answer:

a) 17.086m

b) 0.1671 m

Explanation:

Given data: speed of water through the hose  = 1.81 m/s

through the nozzle = 18.3 m/s

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= 18.3^2/(2×9.8) = 17.086 m answer

b) Again,  

H = v^2/2g

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6 0
2 years ago
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