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lys-0071 [83]
3 years ago
11

A scientist is studying a shock wave from an earthquake. What kind of wave is being studied? an electromagnetic wave a gamma ray

a radio wave a mechanical wave
Physics
2 answers:
nignag [31]3 years ago
8 0

Answer: The correct answer is mechanical wave.

Explanation:

A shock wave is produced during an earthquake. A shock wave is an area of of very high pressure created when an object travels faster than the speed of the sound. Shock waves are mechanical wave. It requires a medium to travel.

An electromagnetic wave does not require an medium to travel. A gamma ray and a radio wave are electromagnetic wave. Electromagnetic waves are transverse wave.

Therefore, a scientist is studying a shock wave from an earthquake. The shock wave is a kind of a mechanical wave.

Anettt [7]3 years ago
6 0
<span>So we want to know what kind of wave is the scientist is studying while studying earthquakes. Waves that produce earthquakes are mechanical waves. Gamma rays and radiowaves are both electromagnetic waves and don't require a medium but mechanical do. So the correct answer is mechanical waves.</span>
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The position of a particle moving along the x axis varies in time according to the expression x = 4t 2, where x is in meters and
Pie

Answer:

a) X = 17.64 m

b) X = 17.64 + 4∆t^2 + 16.8∆t

c) Velocity = lim(∆t→0)⁡〖∆X/∆t〗 = 16.8 m/s

Explanation:

a) The position at t = 2.10s is:  

                 X = 4t^2

                 X = 4(2.10)^2

                 X = 17.64 m

b) The position at t = 2.10 + ∆t s  will be:

                 X = 4(2.10 + ∆t)^2

                 X = 17.64 + 4∆t^2 + 16.8∆t  m

c) ∆X is the difference between position at t = 2.10s and t = 2.10 + ∆t so,

                 ∆X= 4∆t^2 + 16.8∆t

Divide by ∆t on both sides:  

                ∆X/∆t =  4∆t + 16.8

 Taking the limit as ∆t approaches to zero we get:  

              Velocity =lim(∆t→0)⁡〖∆X/∆t〗 = 4(0) + 16.8

              Velocity = 16.8 m/s

 

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3 years ago
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GalinKa [24]
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<span>Same procedure for 206Pb: </span>
<span>4.59 divided by 205.97446 = 0.022284316 moles </span>
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<span>Hope that helps you!
https://answers.yahoo.com/question/index?qid=20100331153014AAoMXcu
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3 years ago
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Answer:

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