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A car is accelerated on a levelled road and attains a speed of 4 times its initial speed. In this process, the K.E. of the car
  • a)
    Does not change
  • b)
    Becomes 4 times that of initial P.E
  • c)
    Becomes 8 times that of initial P.E
  • d)
    Becomes 16 times that of initial P.E
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A car is accelerated on a levelled road and attains a speed of 4 time...
K.E. = 1/2mv2
so K.E. is proportional to v2 i.e., the kinetic energy of the car becomes 16 times that of initial kinetic energy
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A car is accelerated on a levelled road and attains a speed of 4 times its initial speed. In this process, the K.E. of the cara)Does not changeb)Becomes 4 times that of initial P.Ec)Becomes 8 times that of initial P.Ed)Becomes 16 times that of initial P.ECorrect answer is option 'D'. Can you explain this answer?
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A car is accelerated on a levelled road and attains a speed of 4 times its initial speed. In this process, the K.E. of the cara)Does not changeb)Becomes 4 times that of initial P.Ec)Becomes 8 times that of initial P.Ed)Becomes 16 times that of initial P.ECorrect answer is option 'D'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about A car is accelerated on a levelled road and attains a speed of 4 times its initial speed. In this process, the K.E. of the cara)Does not changeb)Becomes 4 times that of initial P.Ec)Becomes 8 times that of initial P.Ed)Becomes 16 times that of initial P.ECorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A car is accelerated on a levelled road and attains a speed of 4 times its initial speed. In this process, the K.E. of the cara)Does not changeb)Becomes 4 times that of initial P.Ec)Becomes 8 times that of initial P.Ed)Becomes 16 times that of initial P.ECorrect answer is option 'D'. Can you explain this answer?.
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