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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 body of mass 2 kg makes an elastic collision with a second body at rest and continues to move in the original direction but with one fourth of its original speed. What is the mass (in kg) of the second body?

    Answer:

    1.2


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