Concept explainers
To explain: Whether a person M is correct or not.
Answer to Problem 61A
Person M is correct.
Explanation of Solution
Given:
Total heartbeats counted in 1 min is 84.
The frequency calculated is 1.4 Hz and time period is She calculates frequency of the heartbeat
seconds.
Formula used:
The frequency is given as,
Here,f is frequency and T is time period
Calculation:
In one minute or in 60 second, number of heartbeats are 84
So in one second , number of heartbeat are
This must be the value of frequency, as frequency is the number of oscillation in one second.
Period is the reciprocal of frequency, so time period is equal to
Conclusion:
Therefore, person M is correct.
Chapter 25 Solutions
Conceptual Physics: The High School Physics Program
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