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JEE Main & Advanced Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank Numerical Value Type Questions - Works, Energy and Power

  • question_answer
    A ball is dropped from a height of 100 m. After striking the earth, 20% of its energy is lost. To what height (in metre) the ball will rise?

    Answer:

    80


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