Physics, 05.11.2019 20:31 stricklandashley43
Acomputer disk drive is turned on starting from the rest and has constant angular acceleration how long did it take to make the first complete rotation and what is the angular acceleration given that the disk took 0.750 second for the drive to make it second complete regulation
Answers: 1
is angular displacement at time 
, 
is the angular displacement at time t = 0, 
is the initial angular velocity, 
is angular acceleration and 
to complete the first revolution is, 
for 
, 0 for 
![\[{t^'} = {t_1} + {t_2}\]](/tpl/images/0360/7602/57038.png)
![\[\theta = {\theta _0} + {\omega _0} + \frac{1}{2}\alpha {t^'}^2\]](/tpl/images/0360/7602/7e348.png)
![\[{t^'}\]](/tpl/images/0360/7602/fb9d6.png)
, ![\[t = {t^'}\]](/tpl/images/0360/7602/a9d3a.png)
, 
for 
for 
for 
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Acomputer disk drive is turned on starting from the rest and has constant angular acceleration how l...
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