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Interestingly, the HMG has massive variations in recoil based on whether you're standing or prone—even more than most guns—making it a more defensive weapon than its Quasar Cannon cousin.

120 ms-1 from left to right from a cannon of mass, \({m_C}\), 96 kg. This information lets you determine the recoil velocity of the cannon \({v_ C}\). The total momentum before is zero so by the ...