Final answer:
Statements regarding physics concepts have been analyzed, leading to clarifications: the position vs time graph for an accelerating object curves (False), frequency does not become infinite at the speed of sound (False), and waves of differing frequencies can superimpose (True).
Step-by-step explanation:
When assessing statements related to physical concepts, it is crucial to understand the foundational principles related to the topic at hand. Let's explore some of these True or False statements:
- Position vs Time Graph: An object that is speeding up will not have a position vs time graph that is a straight line; instead, the graph will curve, reflecting the acceleration. So, the statement is False.
- Observed Frequency at Speed of Sound: When the source of a sound moves at the speed of sound, the observed frequency does not become infinite; rather, a sonic boom occurs. Thus, the statement is False.
- Waves Superimposition: Waves of different frequencies can indeed superimpose on one another, creating complex waveforms through interference. Therefore, this statement is True.