CBSE Class 11-science Answered
rotatory motion
Asked by | 27 Jun, 2009, 07:22: PM
Expert Answer
(i) theta = omega0 x t + (1/2) x alpha x t2
400 = 0 + (1/2) x alpha x 100
angular acceleration = alpha = 8 rad / s2
(ii) omega = omega0 + alpha x t
omega = 0 + 8 x 20 = 160 rad / s2
Answered by | 07 Jul, 2009, 02:29: PM
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