Could anyone please double check my answers to each of the following statements. Thanks 1. The problem statement, all variables and given/known data Determine which of the following moving objects obey the equations of projectile motion. True A stone is thrown under water. True A ball is thrown in an arbitrary direction. True A jet airplane crosses the sky with its engines thrusting the plane forward. True A rocket moves through the sky after its engines have failed. False A rocket leaves the launch pad.