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`        Velocity changes from v to 2v change in kinetic energy kinetic energy`
2 months ago

1819 Points
```							hello student, we know that KE= ½ mv^2so, change in kinetic energy= final KE – initial KE= ½ m*(2v)^2 – ½ m*(v)^2= ½ m*(4v^2 – v^2)= 3mv^2/2kindly approve :))
```
2 months ago
Vikas TU
10081 Points
```							Dear student See know that kinetic energy KE=mv²/2Now, if mass is m and v is doubled to 2v, from the equation, we getKÉ=m(2v)²/2=m4v²/2Dividing this equation by the first one, we get4. This implies that the ratio is 4:1. Hence, the kinetic energy has been increased by 4 times its original value.Cheers!
```
2 months 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