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`        A string is wrapped around the rim of a wheel of moment of inertia of 0.2 kgm2 and radius 20 cm. The wheel is free to rotate about it`s axis and initially is at rest. The string is pulled by a force of 20N then angular velocity after 5 sec will be`
2 years ago

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```							Angular velocity after 5 sec is 100 rad/secI=0.2,r=0.2T= moment of inertia ×angular acceleration20×0.2=0.2×w/5W=100 rad/secSo angular velocity is 100 rad/sec
```
one year ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions