I think it’s B.. I’m pretty sure
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
The way to respond to the theft of your identity cyber awareness is; To report the crime to the local commission which is the Federal Trade Commission (FTC).
<h3>Protection from Identity Theft</h3>
Identity Theft is basically a crime that happens happens when someone steals your personal information and uses it commit a fraudulent offence.
Now, the person that stole your identity may use the stolen information he got from you to apply for credit, file taxes, medical services or other government privileges.
The acts perpetuated above by the thief could lead to damage to your reputation with credit status and your good name too which could take years to rebuild.
Thus, it is very pertinent to report any case of such to the relevant government commission which in this case is Federal Trade Commission (FTC).
Read more about Identity Theft at; brainly.com/question/15252417
The answer is Benching.
Benching and sloping are methods used to protect employees working in excavations from cave–ins. Benches are cuts in the slope that provides protection by removing material at an angle to its floor. They give the slope a stair-step appearance with emphasis on the angles; the flatter the angle, the more the protection. Benches are split into two groups: simple and multiple.
Answer:
I guess c no. is the answer
