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Here you can fire an AK47 at a ballistic balance.  Measuring the horizontal displacement can be used to determine how high the block of wood is raised giving its potential energy.  This can be equated to the kinetic energy of the bullet.


No one gets shot!

There’s no possibility of anyone getting hurt so we can be a bit more adventurous in the experiments we can let the students do such as firing an AK47 at a ballistic balance.