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nirvana33 [79]
3 years ago
12

Sound waves travel fastest through solids gasses liquids

Physics
2 answers:
Lina20 [59]3 years ago
8 0

The answer is solids!

i just took the test and got it correct.


marta [7]3 years ago
5 0
Answer: solids.

Explanation:

1) These are some values of the speed of sound in different media:


In air 343 m/s (approximate as it depends on the temperature and humidity)
In water 1,484 m/s 
In iron 5,120 m/s

In diamond 12,000 m/s

2) Sound waves are disturbances (pulses) that propagates by the collision of particles in the media.

Since, the partilces in solids are closer than the particles in liquids, and these are closer than the particles in gases, the order of the propagation of the sound is: 

Faster in solids than in liquids, faster in liquids than in gases.


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Answer:

17304 J

Explanation:

Complete statement of the question is :

In the winter activity of tubing, riders slide down snow covered slopes while sitting on large inflated rubber tubes. To get to the top of the slope, a rider and his tube, with a total mass of 84 kg , are pulled at a constant speed by a tow rope that maintains a constant tension of 350 N .

Part A

How much thermal energy is created in the slope and the tube during the ascent of a 30-m-high, 120-m-long slope?

Solution :

T = tension force in the tow rope = 350 N

L  = length of the incline surface = 120 m

W_{t}  = work done by tension force = ?

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