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lilavasa [31]
4 years ago
9

University Physics 9.68: Accelerating Compact Disc. A computer disc drive is turned on starting from rest and has constant angul

ar acceleration. If it took 0.0865 s for the drive to make its second complete revolution,
(a) how long did it take to make the first complete revolution?
(b) what is its angular acceleration, in rad/s2 ?
Physics
1 answer:
faust18 [17]4 years ago
5 0

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Which chemical change describes the reactions of elements and compounds that, in general, do not involve carbon and typically ta
KonstantinChe [14]

Answer:

Inorganic.

Explanation:

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3 0
3 years ago
What is the wavelength of a radio photon from an "am" radio station that broadcasts at 1280 kilohertz?
joja [24]
The wavelength of the given wave is calculated through the equation,
      λ = c/v
where λ is the wavelength,
           c is the speed of light, equal to 3x10⁸ m/s, and 
           v is the frequency

Then, we substitute the known values to the equation,
     λ = (3 x 10⁸ m/s)/(1280 x 10³/s) 
    λ = 234.375 m

The wavelength of the "am" radio station is 234.38 m. 
3 0
4 years ago
Read 2 more answers
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