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A body starts from rest with constant acceleration its velocity after 2 n seconds is v find displacement of body in last n seconds
A body starts from rest with constant acceleration its velocity after 2 n seconds is v find displacement of body in last n seconds

```
4 years ago

Umakant biswal
5359 Points
```							@ BHAWIKA i am giving the approach to solve the problem , follow that here , u=0, velocity after 2n sec, will be given as v=u+at=0+a*2n. so, acceleration, a=v/2nso, velocity after n sec..- v1=0+at=(v/2n)*n=v/2now, apply eq. of motion to find d in last n sec v^2-v1^2=2adput values of v,v1 and ad=[v^2-(v/2)^2]/2*(v/2n)=(3/4)v/(v/n)=3/4*ni think u can solve it right now . if not then let me know in this post , i will solve the question fully . ALL THE BEST ..
```
4 years 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