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9966 [12]
3 years ago
6

Electromagnetic waves do require a medium to travel. True False

Physics
2 answers:
pshichka [43]3 years ago
8 0

Answer:

The Answer is false

Explanation:

Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space.

Grace [21]3 years ago
4 0

Answer:

false

Explanation:

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A student attaches a 20 ohm resistor to a battery and measures a current of 0.30 A. What is the voltage of the battery?
Sati [7]

Answer:6v

Explanation:

Current=0.30A

Resistance=20ohms

voltage=current x resistance

Voltage=0.30 x 20

Voltage=6v

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2 years ago
What is the difference between brake horsepower and thrust horsepower?
arlik [135]

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3 years ago
What is weight?
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Answer:

C

Explanation:

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3 years ago
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A 1.5 kg ball is dropped from a height of 2.Gm. Assuming energy is
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Answer:

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6 0
2 years ago
A 0.0100-kilogram grape hangs from a vine 1.50 meters from the ground. What is the potential energy of the grape?
ludmilkaskok [199]
The potential energy is defined as Ep=m*g*h where m is the mass of the body, g=9.81 m/s² and h is the height of the body. In our case m=0.01 kg and h=1.5 m. So when we input the values into the equation:

Ep=0.01*9.81*1.5= 0.14715 J. 

So the potential energy of a grape is Ep=0.14715 J. 
8 0
3 years ago
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