Can momentum be hidden to human eyes like how kinetic energy can be hidden as heat?

Show that the expression for kinetic energy can be written intermsof the momentum as KE=p²/2m and what is thekineticenergy of a bullet of mass 8.62 g and momentum 5.612 kg m/s?

Show that the expression for kinetic energy can be written intermsof the momentum as KE=p²/2m and what is thekineticenergy of a bullet of mass 9.22 g and momentum 5.726 kg m/s?