Sergio is trying out for the position of pitcher on the baseball team. He can throw the baseball fast. The coach has clocked some of his pitches at 85 mph. Some of Sergio’s friends decided to play a joke on him and replaced one of the baseballs with one that they tampered with. Instead of a mass of 145 grams the boys added a lead weight so the mass is now 200!grams. Sergio winds up and throws. All the statements describe the possible results of this scenario except one Which statement is an inaccurate explanation
The inaccurate statement in this scenario is "Sergio's pitch speed will decrease as a result of the increased mass of the baseball."
The inaccurate explanation is that the weight of the baseball affects the speed at which Sergio can throw it accurately.
Explanation:
The weight of the baseball does not directly affect the speed at which Sergio can throw it accurately. The speed of the baseball depends on factors such as the force with which it is thrown, the technique used by Sergio, and the power of his arm. Adding a lead weight to the baseball may affect its flight path and trajectory, but it does not necessarily affect Sergio's ability to throw it accurately.
To determine which statement is an inaccurate explanation, let's go through each statement:
1) Sergio's pitch speed will decrease due to the increased mass of the baseball.
This statement is accurate. According to Newton's second law of motion, the acceleration of an object is inversely proportional to its mass. Since the mass of the baseball has increased, the acceleration will be reduced, resulting in a slower pitch speed.
2) Sergio's pitch speed will remain the same regardless of the increased mass of the baseball.
This statement is inaccurate. As mentioned before, according to Newton's second law of motion, the pitch speed will decrease due to the increased mass.
3) The lead weight added to the baseball will affect its trajectory.
This statement is accurate. The added weight will cause the baseball to follow a different trajectory compared to a regular baseball. It may experience increased resistance or gravitational pull, resulting in a different path.
4) The added weight to the baseball may affect Sergio's pitching technique.
This statement is accurate. The change in mass can affect Sergio's grip, release point, and overall pitching technique. He may have to adjust his mechanics to compensate for the modified baseball.
5) The increased mass of the baseball will have no impact on its flight distance.
This statement is inaccurate. The increased mass will affect the flight distance of the baseball. As mentioned before, the acceleration will be reduced, leading to a shorter flight distance compared to a regular baseball.
Based on the explanations provided, it seems that statement 2 is the inaccurate explanation, as Sergio's pitch speed will indeed be affected by the increased mass of the baseball.