How many electrons are there in one coulomb charge?
1.6 x $10^{-19}$ electrons
6.25 x $10^{18}$ electrons
6.25 x $10^{-18}$ electrons
1.6 x $10^{19}$ electrons
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A bullet of mass 15 g is horizontally fired with velocity 100 $ms^{-1}$ from a pistol of mass 2 kg.Total momentum of the pistol and bullet before firing is equal to