lilly9240
13.09.2019 •
Mathematics
Agood-quality measuring tape can be off by 0.49 cm over a distance of 23 m. what is the percent uncertainty? 33% part (a) if 44 ± 3 beats are counted (in exactly 30 s) what is the percent uncertainty in the measurement of their heartbeats per minute?
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Ответ:
Step-by-step explanation:
First:
(Error/Total )x 100%
(0.49/23) x100%= 2.13%
Second:
(Absolute uncertainty/mean) x100%
(3/44)x100%= 6.81%
Ответ:
1980
Step-by-step explanation: