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The ratio of work done by the internal forces of a car in order to change its speed from 0 to V and  from V to 2V is (Assume that the car moves on a horizontal road) -  
  • a)
    1
  • b)
    1/2
  • c)
    1/3
  • d)
    1/4
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The ratio of work done by the internal forces of a car in order to cha...
Work done in changing speed from 0 to V is 

work done in changing the speed from V to 2V is 

∴ 
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The ratio of work done by the internal forces of a car in order to cha...
By using work energy theorem we can solve ;

W=1/2mv^2-1/2mu^2

w1÷w2=1/2mv^2-1/2m(0)^2÷1/2m(2v)^2-1/2mv^2

W=1/2mv^2÷3×1/2mv^2

solve this u get; W=1/3...that's it option C is correct answer...!!😊👍👍
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The ratio of work done by the internal forces of a car in order to change its speed from 0 to V and from V to 2V is (Assume that the car moves on a horizontal road) - a)1b)1/2c)1/3d)1/4Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The ratio of work done by the internal forces of a car in order to change its speed from 0 to V and from V to 2V is (Assume that the car moves on a horizontal road) - a)1b)1/2c)1/3d)1/4Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The ratio of work done by the internal forces of a car in order to change its speed from 0 to V and from V to 2V is (Assume that the car moves on a horizontal road) - a)1b)1/2c)1/3d)1/4Correct answer is option 'C'. Can you explain this answer?.
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