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`        A rocket is launched with velocity 10km/s. If radius of earth is R, then maximum height attained by it will be (a) 2R(b)3R(c)4R(d)5R Please help.`
2 years ago

Sitanshu kumar Singh
53 Points
```							If a body is projected with velocity v which is less than escape velocity for earth which is 11.2 km/s. then maximum height attained by the body is  you can find it by this formula                             h=R(radius of earth)/[v`(escape velocity )/v(velocity with which you project)2-1].If you didn`t understand the formula let me know I will explain it.               h=R/(11.2/10)2-1=R/ 0.2544=4R(approx)
```
2 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