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If your heart rate is 151 beats per minute during strenuous exercise, what is the time per beat in units of seconds? s/beat =Round your answer to two decimal places

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ANSWER

0.40 s/beat

EXPLANATION

Given:

• A heart rate of 151 beats per minute

Find:

• The time per beat (in seconds/beat)

So, we know that the heart rate is given in beats/minute, but we want to find the time per beat in seconds/beat. To do so, first, we have to find the heart rate in beats/second. If 60 seconds is 1 minute,

[tex]151\frac{beat}{min}\cdot\frac{1min}{60s}=\frac{151}{60}\frac{beat}{s}[/tex]

Now, the reciprocal will be the time per beat,

[tex]\frac{60}{151}\frac{s}{beat}\approx0.40s[/tex]

Hence, the time per beat is 0.40 s/beat, rounded to two decimal places.

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