A) 1
B) 5
C) 15
D) 10
Correct Answer: C
Solution :
The formula for torque is as \[\tau =I\alpha \]where \[I\] is moment of inertia and \[\alpha \] is the angular acceleration \[\alpha =\frac{\tau }{I}=\frac{1000}{200}=5\,\,rad/{{s}^{2}}\] \[\left( \begin{align} & \text{Given:}\,\tau \,=1000N \\ & I\text{ }=\text{ }2000\,kg-{{m}^{2}} \\ & \text{t = 3s } \\ \end{align} \right)\] Now, angular velocity \[\omega =\alpha \,t=5\times 3\] \[=15\,rad/s\]You need to login to perform this action.
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