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A bullet having a mass of 10g and moving with a speed of 1.5m/s penetrates a thick wooden plank of mass 90g. The plank was initially at rest. The bullet gets embedded in the plank and both moves together. Determine their velocity

  • science -

    momentum is conserved

    10 * 1.5 = (90 + 10) * v

  • science -

    O.15m/s

  • science -

    0.15m/s

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