Dinwiddie, James2009-07-242009-07-242009-07-24http://hdl.handle.net/10222/11799In this scientific journal, James Dinwiddie explores projectiles; he discusses their trajectory motion as well as their acceleration and the opposing force of gravity. This file consists of one journal in two pieces that is 27 pages in length.enJames DinwiddieProjectilesMotionPhysicsAccelerationScientific journalMatterVelocityGravityText