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March 30, 2017

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A 2 gram bullet traveling at 1500 m/s [East] hits a 200 g block of wood at rest, and becomes embedded in it. If the block is suspended by long ropes, how high will it travel before it comes to rest?

  • physics - ,

    calculate the velocity of the bullet/block combined mass with the conservation of momentum equation. Now, knowing the velocity, you can set
    finalPotentailEnergy=initialKineticenergy
    mgh=1/2 m v^2
    and solve for height h.

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