The first thing we are going to do is find the equation of motion:
ωf = ωi + αt
θ = ωi*t + 1/2αt^2
Where:
ωf = final angular velocity
ωi = initial angular velocity
α = Angular acceleration
θ = Revolutions.
t = time.
We have then:
ωf = (7200) * ((2 * pi) / 60) = 753.60 rad / s
ωi = 0
α = 190 rad / s2
Clearing t:
753.60 = 0 + 190*t
t = 753.60 / 190
t = 3.97 s
Then, replacing the time:
θ1 = 0 + (1/2) * (190) * (3.97) ^ 2
θ1 = 1494.51 rad
For (10-3.97) s:
θ2 = ωf * t
θ2 = (753.60 rad / s) * (10-3.97) s
θ2 = 4544,208 rad
Number of final revolutions:
θ1 + θ2 = (1494.51 rad + 4544.208 rad) * (180 / π)
θ1 + θ2 = 961.57 rev
Answer:
the disk has made 961.57 rev 10.0 s after it starts up
Answer:
B. False
Explanation:
Microsoft Windows is a graphics user interface operating system that uses windows query to search for information in its directory. There are different versions and updates of the windows OS, with latest being window 10 1903. The different version of the windows 10 OS is windows professional, Home, Enterprise etc. As time goes on, more updates will be released for better and advanced security.
You can download the answer here
bit.
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Answer: Any person or people asking about someone being a hardware or software person displays that they are questioning about the computer knowledge of the person and his/her interest.
The interest can be regarding software tools for programming, designing , etc or hardware device like troubleshooting, assembling the computer parts ,etc.
The person persisting good knowledge about software programming language and software is diverted towards software side .The person who likes to deal with hardware parts of the computer system is hardware-oriented person.
