Q: "Flour bombing" is a common activity at a lot of airfields where student pilots are learning to fly. It involves filling bags with flour, flying a plane over a marked target, and then dropping the bags to see who can get closest to the target. A student pilot is flying in level flight and must release the flour bag before it is over the target. Ignoring air resistance, which of the following is NOT correct?
A		The acceleration of the flour bag is constant
B		The pilot will be over the target when the flour bag strikes
C		The flight time of the flour bag is independent of the horizontal speed of the plane
D		The horizontal velocity of the plane is equal to the vertical velocity of the flour bag when it hits the target

Kinematics | Forces |