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`        A car is moving on a road such that engine delivers power proportional to velocity of the body.If initial velocity is zero then then then distance travelled by the car is proportional to a)v^(1÷2)b)v^3c)v^4d)v^2`
one year ago

Vikas TU
9795 Points
```							Dear Student,P = kv (given)Also,P = F x vTherefore,kv = Fvk  = F = ma = mvdv/dxvdv = kdx/mIntegerating both sides we get,v^2/2 = kx/morx = mv^2/2kHere x is hence directly proportional to the square of the velocity.
```
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