Dunno, depends if you got Semtex or Petrol ( gasoline ) in your bag. An ability to run fast might help :-)
Why, are you strapped with explosives?
lol It depends on the church. If you want to prove your theory wrong however, go to a UCC member church.
It wouldn't explode.
depends on the type of ordinance your taking in with you! otherwise it'll just be sideways looks :-)