A. A lighter pellet travels farther because of its higher ejection speed — pellets shot the same angle are compared which following true
General StudiesGeneralWorked Solution
If pellets shot at the same angle are compared, which of the following is true?
A. A lighter pellet travels farther because of its higher ejection speed.
B. A heavier pellet travels farther because it is launched more horizontally.
C. Pellets of all masses travel equally far because the launch angle is the same.
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SOLUTION
Use the information contained in the graph to determine whether the written statements are true or false.
Statement A is true because the horizontal range of a projectile is independent of mass but depends on the square of the launch speed. Therefore, a higher launch speed will result in a longer range for the same launch angle.
Statement B is false because the more massive pellets are launched at a lower speed, and because we are comparing pellets launched at the same angle; it is not true that the more massive pellets are launched “more horizontally.”
Statement C is false because the launch speeds are not the same; less massive pellets have a larger launch speed and thus will travel farther.