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PIT_PIT [208]
3 years ago
13

Which of the following statements is an accurate description of sound transmission through various mediums?

Physics
2 answers:
Ilia_Sergeevich [38]3 years ago
6 0

The answer is D. Sound insulators prevent sound from being transmitted better than elastic solids. just took PF test

klio [65]3 years ago
5 0
The answer is D. Sound insulators prevent sound from being transmitted better than elastic solids because sound insulators basically muffle and block the sound waves.

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A clothes dryer uses about 5 amps of current from a 240 volt line. How much power does it use?
yan [13]
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3 years ago
If the density of wood is 0.5g/cm3 what is the mass of 1cm3​
Licemer1 [7]

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O. 5 g

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3 years ago
At what constant velocity must a spacecraft travel from earth if it is to reach the star in 3. 7 years, as measured by travelers
tatiyna

The constant velocity that the spacecraft must travel is : 3.49 * 10⁸ m/s

<u>Given data :</u>

Distance of star from earth = 4.3 light years

Observers time = 3.7 years

<h3>Determine the constant velocity the spacecraft must travel </h3>

Observers time = 3.7 * 365 * 24 * 60 * 60

Distance of star from earth = 4.3 * 9.46 * 10¹⁵

The velocity the spacecraft must travel will be calculated using the equation

V = distance / time

   = ( 4.3 * 9.46 * 10¹⁵ ) / ( 3.7 * 365 * 24 * 60 * 60 )

   = 3.49 * 10⁸ m/s

Hence we can conclude that The constant velocity that the spacecraft must travel is : 3.49 * 10⁸ m/s

Learn more about space travelling : brainly.com/question/1344685

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<em>Attached below is the missing detail related to the question </em>

5 0
2 years ago
Read 2 more answers
Choose all the answers that apply. Which of the following forces require physical contact? tension, air resistance, friction, ma
svet-max [94.6K]

Answer:

I belive it would be friction applied force and tension

Explanation:

8 0
4 years ago
What are advantage of frictional force​?
kogti [31]

The force of friction acts in the opposite direction that the object is moving, so friction slows down the motion of moving objects. Friction also produces unnecessary heat. For example, car engines become hotter because of friction.

3 0
3 years ago
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