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`        Dear sir, please send the solution to attach ed file`
one month ago

Vikas TU
9756 Points
```							Dear student y = 5 Sin (20t + pie/3) The least time after which acceleration become zero = ? Velocity = 100 Cos  (20t + pie/3) Acceleration = -2000tSin(20t + pie/3)a = 0 (20t + pie/3)  = pie ( because it is least value at which sin function will become zero again)20t = 2pie/3 t = pie/30 D is correct option Good Luck
```
one month ago
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### Course Features

• 101 Video Lectures
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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