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Dmitry_Shevchenko [17]
3 years ago
10

In a mixture, the ingredients intermingle and

Physics
1 answer:
nirvana33 [79]3 years ago
7 0
They do not react with or chemically bond to each other.
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A light-year is about?
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13 year old and the light year mean  cell of moucles that can use simple year light diffusion
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A locomotive engine pulls a train with a constant force comment on whether its acceleration will increase or decrease if more co
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Explanation:

the acceleration will be unchanged according to newton second law of motion

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3 years ago
A particularly beautiful note reaching your ear from a rare Stradivarius violin has a wavelength of 39.1 cm. The room is slightl
USPshnik [31]

Given Information:  

Wavelength =  λ = 39.1 cm = 0.391 m

speed of sound = v = 344 m/s

linear density = μ = 0.660 g/m = 0.00066 kg/m

tension = T = 160 N

Required Information:

Length of the vibrating string = L = ?

Answer:

Length of the vibrating string = 0.28 m

Explanation:

The frequency of beautiful note is

f = v/λ

f = 344/0.391

f = 879.79 Hz

As we know, the speed of the wave is

v = √T/μ

v = √160/0.00066

v = 492.36 m/s

The wavelength of the string is

λ = v/f

λ = 492.36/879.79

λ = 0.5596 m

and finally the length of the vibrating string is

λ = 2L

L = λ/2

L = 0.5596/2

L = 0.28 m

Therefore, the vibrating section of the violin string is 0.28 m long.

3 0
3 years ago
A plane flying horizontally at 377 m/s releases a package at an altitude of 15,770 m. How long will the package take to reach th
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Answer:

An object is called a horizontal projectile if it is launched from a certain height with some initial horizontal velocity only. The initial vertical velocity of such an object is zero. But as the object falls through the atmosphere the horizontal component of velocity remains constant but vertical component increases due to gravitational acceleration.

Explanation:

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It is called air pressure
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