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`        The displacement x of a body of mass 1 kg on a horizontal smooth surface has the function of the time t is given by x=t⁴/4. The work done in first one second is`
10 months ago

## Answers : (1)

Arun
22545 Points
```							x = t^4 / 4  meters               m = 1 kgdx = t²^3dtdx/dt = v = t^3d²x/dt² = a = 3 t^2force acting on the body = m a = 3 t^2  Newtons now fornwork done integrate F. dx
```
10 months ago
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### Course Features

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