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

  • question_answer
    A 1 kg block collides with a horizontal weightless spring of force constant 2.75 N/m as shown in figure. The block compresses the spring 4 m from the free position. If the coefficient of kinetic friction between the block and the horizontal surface is 0.25, find the speed (in m/s) of the block at the instant of collision in m/s. (g=10 \[m/{{s}^{2}}\])

    Answer:

    8.00


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