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`        A certain force exerted for 1.4 seconds on a moving body increases its speed from 2.8m/s to 5.6m/s the same force is later applied for 3 seconds,the speed of body changes by `
one year ago

Khimraj
3008 Points
```							scceleration due to force = (change in velocity)/(time taken) = (5.6-2.8)/1.4 = 2 m/s2change in velocity  v-u = at = 2*3 = 6m/sHope it clears..............................................
```
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