A laboratory buzzer is observed to produce exactly 2 500 complete vibrations in 5.0 min.
Answer the following questions based on this information.
a. (i) Calculate its frequency in hertz.
b. (ii) Determine the time period of one vibration, expressing your answer in milliseconds.
c. (iii) How much time (in seconds) will the buzzer take to complete 10 000 vibrations if it continues to vibrate at the same rate?